For the Inventor, By the Inventor

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Baltimore, MD, United States of America

Fox Industries, Inc.

USPTO Granted Patents = 2

Trademarks = 2

Forward Citations = 38

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5 inventors (with patents filed for the assignee):

Ronald B Robol (1 out of 35 patents)

Stanley H Frederick (1 out of 3 patents)

Donald H Weir (1 out of 19 patents)

4. Carl W Scheffel (1 out of 1 patent)

5. Robert A Hotaling (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 4661247 - Modular operations center for in-ground swimming pool (1987-04-28),

2. 4132491 - Restraint assembly for bridge roadway expansion joints (1979-01-02),

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USPTO Data Jan 1 1976 - Jan 13 2026

2 Patents

#194 in Baltimore, MD

#1,383 in Maryland

#92,762 in US

Baltimore, MD, United States of America

Fox Industries, Inc.

Forward Citations = 38

5 inventors:

Ronald B Robol (1 out of 35 patents)

Stanley H Frederick (1 out of 3 patents)

Donald H Weir (1 out of 19 patents)

4. Carl W Scheffel (1 out of 1 patent)

5. Robert A Hotaling (1 out of 2 patents)

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