For the Inventor, By the Inventor

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Doylestown, PA, United States of America

Penn Color, Inc.

USPTO Granted Patents = 8

CIPO Patents = 1

EPO Patents = 2

Trademarks = 7

Forward Citations = 2

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9 inventors (with patents filed for the assignee):

Charles B Rybny (6 out of 6 patents)

Michael D Spiegel (3 out of 3 patents)

Ronald W Schuck (3 out of 3 patents)

4. Choung Lai (2 out of 2 patents)

5. Fred Biemuller (2 out of 2 patents)

6. James C Walsh (2 out of 2 patents)

7. Scott Stamback (2 out of 2 patents)

8. Venumadhava S Eleswarapu (2 out of 2 patents)

9. Kelan Wieloch (2 out of 4 patents)

10. James R Walsh (64 patents)

11. Mark L Adams (85 patents)

12. Andrew Sandt (0 patent)

13. Javiera Rubilar (0 patent)

14. Youcef Lariane (0 patent)

15. Julie Cuddigan (0 patent)

8 patents: Sort by Forward Citations

1. 12098274 - Polyester packaging material (2024-09-24),

2. 11760873 - Polyester packaging material (2023-09-19),

3. 10647804 - Methods for making water based cationic polymers for ink, coating, and film applications (2020-05-12),

4. 10023717 - Thermally-conductive salt-containing particles of carbon black and metal (2018-07-17),

5. 9441123 - Cationic water based polymers for ink, coating, and film applications (2016-09-13),

6. 9434849 - Water based anionic polymers for ink, coating, and film applications (2016-09-06),

7. 8652745 - Ink toner particles with controlled surface morphology (2014-02-18),

8. 8247155 - Production of toner for use in printing applications (2012-08-21),

Penn Color is a leading manufacturer of color and additive masterbatches for the plastics and coatings industries. With over 50 years of experience, Penn Color offers innovative solutions for color matching, customization, and product development. Their state-of-the-art facilities and expert team of chemists and engineers enable them to provide high-quality products and exceptional customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

8 Patents

#5 in Doylestown, PA

#1,285 in Pennsylvania

#34,864 in US

Doylestown, PA, United States of America

Penn Color, Inc.

Forward Citations = 2

9 inventors:

Charles B Rybny (6 out of 6 patents)

Michael D Spiegel (3 out of 3 patents)

Ronald W Schuck (3 out of 3 patents)

4. Choung Lai (2 out of 2 patents)

5. Fred Biemuller (2 out of 2 patents)

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