For the Inventor, By the Inventor

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Los Angeles, CA, United States of America

Light Signatures, Inc.

USPTO Granted Patents = 28

Forward Citations = 1,445

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10 inventors (with patents filed for the assignee):

Robert N Goldman (21 out of 23 patents)

Ronald A Katz (4 out of 90 patents)

David G Gold (3 out of 3 patents)

4. Leonard J Nunley (2 out of 2 patents)

5. M Duane Sanner (2 out of 2 patents)

6. Frank D Tucker (2 out of 2 patents)

7. Barry M Wallace (1 out of 2 patents)

8. Edgar R Pitcher (1 out of 3 patents)

9. Thomas C McGeary (1 out of 4 patents)

10. Vahakn K Gharibian (1 out of 1 patent)

28 patents: Sort by Forward Citations

1. 5023923 - Programmable sensor aperture (1991-06-11),

2. 4916294 - System for reliable digital recording on unreliable magnetic media (1990-04-10),

3. 4837840 - System for verifying authenticity of various articles (1989-06-06),

4. 4816824 - Merchandise verification and information system (1989-03-28),

5. 4811408 - Image dissecting document verification system (1989-03-07),

6. 4807287 - Document authentication method (1989-02-21),

7. 4806740 - Magnetic characteristic identification system (1989-02-21),

8. 4795890 - Device authentication system for on and off line use (1989-01-03),

9. 4785290 - Non-counterfeitable document system (1988-11-15),

10. 4748679 - Weighted-pixel characteristic sensing system (1988-05-31),

11. 4739322 - Merchandise verification and information system (1988-04-19),

12. 4734695 - Secure card and sensing system (1988-03-29),

13. 4723071 - Anticounterfeit card-sensing mechanism (1988-02-02),

14. 4721298 - Bi-stable paper separator (1988-01-26),

15. 4689477 - Verification system for document substance and content (1987-08-25),

Light Signatures, Inc. is a leading manufacturer and distributor of innovative lighting solutions. Our expertise lies in creating custom light designs and installations that enhance architectural spaces and deliver unforgettable visual experiences. With a team of highly skilled lighting designers and engineers, we offer a range of services including lighting consultancy, product development, project management, and maintenance support. Our commitment to quality, creativity, and customer satisfaction has earned us a reputation for excellence in the industry. Visit our website to explore our portfolio and discover how we can bring light to your vision.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

28 Patents

#60 in Los Angeles, CA

#2,768 in California

#11,630 in US

#22,620 in the World

Los Angeles, CA, United States of America

Light Signatures, Inc.

Forward Citations = 1,445

10 inventors:

Robert N Goldman (21 out of 23 patents)

Ronald A Katz (4 out of 90 patents)

David G Gold (3 out of 3 patents)

4. Leonard J Nunley (2 out of 2 patents)

5. M Duane Sanner (2 out of 2 patents)

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