For the Inventor, By the Inventor

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White Bear Lake, MN, United States of America

Tech Logic Corporation

USPTO Granted Patents = 3

Trademarks = 3

Forward Citations = 19

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6 inventors (with patents filed for the assignee):

Mark R Frich (2 out of 15 patents)

Gary Kirk (1 out of 1 patent)

Jeff Farr (1 out of 1 patent)

4. James K Nelson (1 out of 1 patent)

5. Brian Erlinder (1 out of 1 patent)

6. Eileen Keehan (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. D687429 - Self-service kiosk (2013-08-06),

2. 7004709 - Bin for library articles and automatic unloading system therefor (2006-02-28),

3. 6793139 - Library article transport system with inclined conveyor (2004-09-21),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#21 in White Bear Lake, MN

#1,979 in Minnesota

#73,766 in US

White Bear Lake, MN, United States of America

Tech Logic Corporation

Forward Citations = 19

6 inventors:

Mark R Frich (2 out of 15 patents)

Gary Kirk (1 out of 1 patent)

Jeff Farr (1 out of 1 patent)

4. James K Nelson (1 out of 1 patent)

5. Brian Erlinder (1 out of 1 patent)

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