For the Inventor, By the Inventor

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San Diego, CA, United States of America

Protostar, Inc.

USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 14

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6 inventors (with patents filed for the assignee):

Peter James Fellingham (2 out of 23 patents)

Yichuan Pan (2 out of 27 patents)

Craig Timothy Shugert (1 out of 5 patents)

4. Haibin Wu (1 out of 1 patent)

5. Nebojsa Sataric (1 out of 5 patents)

6. David Allen Purcell (1 out of 11 patents)

2 patents: Sort by Forward Citations

1. 11071676 - Collapsible wheeled walker with stability enhancing bracket apparatus and method (2021-07-27),

2. 10588815 - Collapsible upright wheeled walker apparatus (2020-03-17),

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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#1,481 in San Diego, CA

#20,952 in California

#94,647 in US

San Diego, CA, United States of America

Protostar, Inc.

Forward Citations = 14

6 inventors:

Peter James Fellingham (2 out of 23 patents)

Yichuan Pan (2 out of 27 patents)

Craig Timothy Shugert (1 out of 5 patents)

4. Haibin Wu (1 out of 1 patent)

5. Nebojsa Sataric (1 out of 5 patents)

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