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For the Inventor, By the Inventor

Irvine, CA, United States of America

Laguna Tectrix, Inc.


USPTO Granted Patents = 3

Forward Citations = 381

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3 inventors (with patents filed for the assignee):

goldMedal Michael T Sweeney (2 out of 6 patents)

silverMedal Duane P Stark (2 out of 3 patents)

bronzeMedal James S Sweeney, Jr (2 out of 11 patents)


3 patents:

1. 5089960 - Racing system for exercise machines (1992-02-18),
2. 4949993 - Exercise apparatus having high durability mechanism for user energy (1990-08-21),
3. 4938474 - Exercise apparatus and method which simulate stair climbing (1990-07-03),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#606 in Irvine, CA

#16,407 in California

#71,953 in US

...
Irvine, CA, United States of America

Laguna Tectrix, Inc.

Forward Citations = 381

3 inventors:

goldMedal Michael T Sweeney (2 out of 6 patents)

silverMedal Duane P Stark (2 out of 3 patents)

bronzeMedal James S Sweeney, Jr (2 out of 11 patents)

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