% Expired Patents = 25.0

Forward Citations = 74

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4 inventors (with patents filed for the assignee):

John G Konopka (1 out of 59 patents)

Larry A Virgilio (1 out of 1 patent)

William J Meyer (1 out of 1 patent)

4. Adam Malawista (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7157896 - Device for locating and identifying circuit breakers (2007-01-02),

2. D458551 - Digital multimeter (2002-06-12),

3. 5625285 - AC power outlet ground integrity and wire test circuit device (1997-04-29),

4. 4096434 - Automatic range selector for volt-ammeter instrument (1978-06-20),

A. W. Sperry Instruments, Inc. specializes in manufacturing electrical testing equipment. With a history dating back to 1944, the company has established itself as a trusted name in the industry. Their product range includes multimeters, voltage testers, circuit tracers, and more. Sperry Instruments is committed to providing high-quality and reliable tools for electricians and DIY enthusiasts alike.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#64 in Hauppauge, NY

#3,678 in New York

#60,597 in US

Hauppauge, NY, United States of America

A. W. Sperry Instruments, Inc.

Forward Citations = 74

4 inventors:

John G Konopka (1 out of 59 patents)

Larry A Virgilio (1 out of 1 patent)

William J Meyer (1 out of 1 patent)

4. Adam Malawista (1 out of 1 patent)

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