For the Inventor, By the Inventor

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Dayton, OH, United States of America

Tri-made Products, Inc.

USPTO Granted Patents = 3

Forward Citations = 92

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4 inventors (with patents filed for the assignee):

Gail F Duncan (3 out of 4 patents)

Clyde J Martin (2 out of 9 patents)

Karl Rotterman (1 out of 1 patent)

4. Emerson F Browning (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5507419 - Multi-functional, enviornmentally-oriented, tamper-evident container (1996-04-16),

2. 5213238 - Multi-functional, environmentally-oriented, tamper-evident container (1993-05-25),

3. 4331267 - Caulking tube plunger and enclosure assembly (1982-05-25),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#137 in Dayton, OH

#2,787 in Ohio

#71,953 in US

Dayton, OH, United States of America

Tri-made Products, Inc.

Forward Citations = 92

4 inventors:

Gail F Duncan (3 out of 4 patents)

Clyde J Martin (2 out of 9 patents)

Karl Rotterman (1 out of 1 patent)

4. Emerson F Browning (1 out of 1 patent)

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