For the Inventor, By the Inventor

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Novi, MI, United States of America

Porter Systems Inc.

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 9

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5 inventors (with patents filed for the assignee):

Edward Poulos (3 out of 6 patents)

Steve Lin (2 out of 4 patents)

Richard T Oliver (2 out of 2 patents)

4. Robert Lee Haeske (1 out of 3 patents)

5. Sobieslaw Derbis (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 10815708 - Positioner mechanism using linear adjusting lock (2020-10-27),

2. 10647227 - Precision linear mechanical lock device (2020-05-12),

3. 9758074 - Pawl and sector locking adjustable armrest (2017-09-12),

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#40 in Novi, MI

#2,443 in Michigan

#71,966 in US

Novi, MI, United States of America

Porter Systems Inc.

Forward Citations = 9

5 inventors:

Edward Poulos (3 out of 6 patents)

Steve Lin (2 out of 4 patents)

Richard T Oliver (2 out of 2 patents)

4. Robert Lee Haeske (1 out of 3 patents)

5. Sobieslaw Derbis (1 out of 2 patents)

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