For the Inventor, By the Inventor

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Belmont, CA, United States of America

Tekna

USPTO Granted Patents = 16

Trademarks = 1

Forward Citations = 492

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11 inventors (with patents filed for the assignee):

Ralph F Osterhout (15 out of 228 patents)

Greta L Gleason (2 out of 2 patents)

Gregory F Cederlind (2 out of 2 patents)

4. Richard B Kash (2 out of 2 patents)

5. John D Burr (1 out of 14 patents)

6. Paul L Howard (1 out of 3 patents)

7. Eric R Larson (1 out of 1 patent)

8. Paul Tremblay (1 out of 1 patent)

9. Roger A Moriano (1 out of 1 patent)

10. Greta G Light (1 out of 1 patent)

11. Steven G Siefert (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. D330265 - Adjustable lamp (1992-10-13),

2. D312168 - Fin sock (1990-11-20),

3. D304154 - Foldable knife (1989-10-24),

4. 4876632 - Flashlight with battery life indicator module (1989-10-24),

5. D302046 - Spotlight (1989-07-04),

6. D301752 - Spotlight (1989-06-20),

7. 4821156 - Flashlight with focusing beam assembly (1989-04-11),

8. D300112 - Pocket knife with removable cap (1989-03-07),

9. 4794803 - Decompression and air consumption computer (1989-01-03),

10. 4753117 - Decompression and air consumption computer (1988-06-28),

11. 4738044 - Light beam target designator (1988-04-19),

12. 4734832 - Spotlight with interchangeable handle (1988-03-29),

13. D288898 - Retractable knife (1987-03-24),

14. D287105 - Combined packaging and display container (1986-12-09),

15. 4523379 - Knife with retractable sheath (1985-06-18),

Tekna is a leading innovator in advanced materials and additive manufacturing technologies, specializing in the development of high-performance powders for various applications. The company focuses on producing fine metal powders and advanced materials that cater to industries such as aerospace, automotive, and medical devices. With a commitment to research and development, Tekna leverages its expertise to enhance manufacturing processes and drive innovation in material science, positioning itself as a key player in the global market.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

16 Patents

#9 in Belmont, CA

#4,767 in California

#19,898 in US

#37,766 in the World

Belmont, CA, United States of America

Tekna

Forward Citations = 492

11 inventors:

Ralph F Osterhout (15 out of 228 patents)

Greta L Gleason (2 out of 2 patents)

Gregory F Cederlind (2 out of 2 patents)

4. Richard B Kash (2 out of 2 patents)

5. John D Burr (1 out of 14 patents)

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