For the Inventor, By the Inventor

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Bothell, WA, United States of America

Gretag Systems, Inc.

USPTO Granted Patents = 14

Forward Citations = 62

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19 inventors (with patents filed for the assignee):

Walter Kraft (6 out of 18 patents)

Beat Frick (3 out of 40 patents)

Werner R Von Stein (2 out of 3 patents)

4. Rolf Bronnimann (2 out of 2 patents)

5. Heiner Schaub (1 out of 3 patents)

6. Karl Ursprung (1 out of 2 patents)

7. Kenneth G Hammerquist (1 out of 2 patents)

8. Maxwell G Maginness (1 out of 5 patents)

9. Gordon L Overbye (1 out of 1 patent)

10. Jurgen Nehring (1 out of 8 patents)

11. Richard A Dolf (1 out of 2 patents)

12. Christa Strobel (1 out of 1 patent)

13. Harald Maxeiner (1 out of 1 patent)

14. Roman Rosenberg (1 out of 1 patent)

15. Roberto Rupp (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 5284305 - Cassette for winding up photographic strip material (1994-02-08),

2. 5237359 - Storage for strip material (1993-08-17),

3. 5187520 - Photographic copying apparatus (1993-02-16),

4. 5164765 - Exposure control process and photographic copying apparatus (1992-11-17),

5. 5119125 - Process for the preparation of photographic color copies (1992-06-02),

6. 5115270 - Photographic color copying apparatus and exposure control process (1992-05-19),

7. 5109251 - Photographic color copying apparatus (1992-04-28),

8. 5087937 - Photoelectric scanner (1992-02-11),

9. 5081486 - Process for the preparation of photographic color copies from copy (1992-01-14),

10. 5072639 - Method and apparatus for removing wastepaper from a continuous web of (1991-12-17),

11. 5041869 - Photoelectric scanner (1991-08-20),

12. 5036351 - Exposure control process and photographic color copying apparatus (1991-07-30),

13. 5016043 - Exposure control process and photographic color copying apparatus (1991-05-14),

14. 4975723 - Paper-processing control apparatus (1990-12-04),

Gretag Systems, Inc. is a leading provider of innovative software solutions for data management and analytics. With a focus on efficiency and accuracy, our products help businesses streamline their operations and make data-driven decisions. Our team of experts is dedicated to developing cutting-edge technology to meet the evolving needs of our clients. Visit our website to learn more about our solutions and services.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

14 Patents

#37 in Bothell, WA

#482 in Washington

#22,261 in US

#42,111 in the World

Bothell, WA, United States of America

Gretag Systems, Inc.

Forward Citations = 62

19 inventors:

Walter Kraft (6 out of 18 patents)

Beat Frick (3 out of 40 patents)

Werner R Von Stein (2 out of 3 patents)

4. Rolf Bronnimann (2 out of 2 patents)

5. Heiner Schaub (1 out of 3 patents)

Please report any incorrect information to [email protected]

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