Digital Recorders, Inc.

Calculating rank

USPTO Granted Patents = 8

% Expired Patents = 25.0

Trademarks = 2

Forward Citations = 206

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8 inventors (with patents filed for the assignee):

Virgil D Duncan (3 out of 3 patents)

John R Rowlette, Jr (2 out of 24 patents)

William H Miller (2 out of 7 patents)

4. James D Kennedy (2 out of 7 patents)

5. Lyman Alden Copps (1 out of 1 patent)

6. John R Alpiser (1 out of 2 patents)

7. Tanya L Johnson (1 out of 1 patent)

8. Joanne D Alpiser (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7756132 - Rapid messaging protocol wireless network data communication system (2010-07-13),

2. 7287878 - LED sign cover and method of manufacture (2007-10-30),

3. 7068795 - Public address system and method for an urban transit vehicle (2006-06-27),

4. 6851964 - Retainer clip for ribbon cable connectors (2005-02-08),

5. D429719 - Urban transit vehicle microphone housing (2000-08-22),

6. D340681 - Solar powered broadcast trailer (1993-10-26),

7. 4963866 - Multi channel digital random access recorder-player (1990-10-16),

8. 4772873 - Digital electronic recorder/player (1988-09-20),

Company Overview

Digital Recorders, Inc. is a leading provider of innovative audio and video recording solutions for law enforcement, government agencies, and commercial customers. With over 50 years of experience, we specialize in developing high-quality, reliable products that meet the unique needs of our customers. Our products include body cameras, digital video recorders, and evidence management software. Visit our website to learn more about our cutting-edge solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#257 in Dallas, TX

#2,281 in Texas

#35,954 in US

Dallas, TX, United States of America