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For the Inventor, By the Inventor

Providence, RI, United States of America

Hydragraphix LLC


USPTO Granted Patents = 18


Forward Citations = 38

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9 inventors (with patents filed for the assignee):

goldMedal Fred W Finnerty (16 out of 34 patents)

silverMedal Kenneth Earl Irwin, Jr (14 out of 104 patents)

bronzeMedal Mark Chiles Tevis (1 out of 9 patents)

4.  Gavin Lee Gaynor (1 out of 2 patents)

5.  Paul John Stamas (1 out of 2 patents)

6.  Allen Lorne Weil (1 out of 3 patents)

7.  George Adkins (1 out of 1 patent)

8.  Keith Cash (1 out of 1 patent)

9.  Kenneth E Irwin, Jr (1 out of 23 patents)

10.  George Kurtz Peng (2 patents)

11.  Kenneth Irwin (1 patent)

12.  Kenneth E Irwin (0 patent)


18 patents:

1. 12192432 - Instant ticket redundancy via multi-chromatic indicia with photoreceptor sensitivity to different wavelengths of light (2025-01-07),
2. 11943416 - Instant ticket redundancy via multi-chromatic indicia with photoreceptor sensitivity to different wavelengths of light (2024-03-26),
3. 11839824 - Security-enhanced instant tickets via homogeneous utilization of ticket backing and variable indicia inks or dyes (2023-12-12),
4. 11707942 - Instant ticket redundancy via multi-chromatic indicia (2023-07-25),
5. 11706372 - Instant ticket redundancy via multi-chromatic indicia with photoreceptor sensitivity to different wavelengths of light (2023-07-18),
6. 11623133 - Applying imaging specialty inks to scratch-off documents (2023-04-11),
7. 11497983 - Security-enhanced instant tickets via homogeneous utilization of ticket backing and variable indicia inks or dyes (2022-11-15),
8. 11383154 - Enhanced security instant tickets via homogeneous utilization of the backing for variable indicia inks or dyes (2022-07-12),
9. 11351445 - Scratch-off coatings compatible with digital imaging (2022-06-07),
10. 11336794 - Using middleware for generating vector graphics imaged security documents (2022-05-17),
11. 11203218 - Instant ticket redundancy via multi-chromatic indicia (2021-12-21),
12. 11039036 - Encrypting and decrypting postscript language (2021-06-15),
13. 10924630 - Using middleware for generating vector graphics imaged security documents (2021-02-16),
14. 10792555 - Secure substrate for scratch-off products (2020-10-06),
15. 10752035 - Instant ticket redundancy via multi-chromatic indicia (2020-08-25),
Hydragraphix LLC is a leading digital design and animation studio specializing in creating stunning visual effects and graphics for various industries. With a team of highly skilled artists and cutting-edge technology, we deliver innovative solutions tailored to our clients' needs. From conceptualization to final production, we provide exceptional design services that bring ideas to life. Visit our website to learn more about our portfolio and services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

18 Patents

#22 in Providence, RI

#88 in Rhode Island

#17,383 in US

#33,165 in the World

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Providence, RI, United States of America

Hydragraphix LLC

Forward Citations = 38

9 inventors:

goldMedal Fred W Finnerty (16 out of 34 patents)

silverMedal Kenneth Earl Irwin, Jr (14 out of 104 patents)

bronzeMedal Mark Chiles Tevis (1 out of 9 patents)

4.  Gavin Lee Gaynor (1 out of 2 patents)

5.  Paul John Stamas (1 out of 2 patents)

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