Who owns the SA SINEWAVE AMPLIFICATION trademark?

The SA SINEWAVE AMPLIFICATION trademark is owned by Chad Mangrum.

What class is the SA SINEWAVE AMPLIFICATION trademark registered in?

The SA SINEWAVE AMPLIFICATION trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for SA SINEWAVE AMPLIFICATION?

The USPTO serial number for SA SINEWAVE AMPLIFICATION is 99330817.

What is the registration number for SA SINEWAVE AMPLIFICATION?

SA SINEWAVE AMPLIFICATION is registered under USPTO registration number 8176050.

SAS

USPTO Trademark Record

REGISTERED

SA SINEWAVE AMPLIFICATION

SN 99330817·Reg 8176050·Filed Aug 11, 2025

Owner Chad Mangrum

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

SA SINEWAVE AMPLIFICATION (Serial No. 99330817), Registration No. 8176050, is a registered US trademark filed on Aug 11, 2025 by Chad Mangrum. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: March 17, 2032

Mark Intelligence

SA SINEWAVE AMPLIFICATION (Reg. #8176050) is a registered US trademark that has been protecting its owner, Chad Mangrum, since 2025. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 11, 2025

SERIAL

99330817

REG#

8176050

REGISTERED

Mar 17, 2026

Owner

Applicant

Chad Mangrum

Entity

Individual

Address

2153 Cummings Dr., Santa Rosa, CA, 95404

Country

Attorney

NameN. Alexander Nolte

Law firm

N. Alexander Nolte NOLTE LACKENBACH SIEGEL

Address

111 Brook Street, Suite 101, Scarsdale, NY 10583, United States

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Filing Information

StatusREGISTERED

Filing DateAug 11, 2025

Serial Number99330817

Registration No.8176050

Registration DateMar 17, 2026

Status DateMar 17, 2026

Published for OppositionJan 27, 2026

Mark TypeDesign with words

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Oct 25, 2024

First use in commerce: Oct 25, 2024

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

18 events

REGISTERED-PRINCIPAL REGISTER

Mar 17, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 17, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 27, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 27, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 21, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NON-FINAL ACTION WRITTEN

Jan 02, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 02, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 02, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jan 02, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jan 02, 2026

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jan 02, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jan 02, 2026

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 02, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 24, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 20, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Dec 20, 2025

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Aug 11, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 11, 2025

APPLICATION FILING RECEIPT MAILED

SA SINEWAVE AMPLIFICATION

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