Enter assignee name

% Expired Patents = 9.1

Trademarks = 2

Forward Citations = 125

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8 inventors (with patents filed for the assignee):

Peter James Fellingham (11 out of 23 patents)

Yichuan Pan (11 out of 27 patents)

David Allen Purcell (5 out of 11 patents)

4. Craig Timothy Shugert (4 out of 5 patents)

5. Nebojsa Sataric (4 out of 5 patents)

6. Zelin Zhang (4 out of 4 patents)

7. David Michael Petersen (3 out of 12 patents)

8. Scott Allen Rieger (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 10973730 - Wheeled walker (2021-04-13),

2. D902791 - Wheeled walker (2020-11-24),

3. 10828226 - Collapsible upright wheeled walker apparatus (2020-11-10),

4. 10617592 - Wheeled walker (2020-04-14),

5. 10555866 - Wheeled walker wheel direction lock apparatus and method (2020-02-11),

6. D874351 - Wheeled walker (2020-02-04),

7. 10434031 - Wheeled walker with a moveable seat (2019-10-08),

8. 10322056 - Collapsible upright wheeled walker apparatus (2019-06-18),

9. 10307321 - Wheeled walker with a movable seat (2019-06-04),

10. 10085909 - Collapsible upright wheeled walker apparatus (2018-10-02),

11. 9585807 - Collapsible upright wheeled walker apparatus (2017-03-07),

Protostar, Inc. is a Delaware Corporation specializing in providing cutting-edge technology solutions for businesses across various industries. We offer a wide range of services including software development, cloud computing, cybersecurity, and IT consulting. Our team of skilled professionals is dedicated to delivering innovative and efficient solutions to help our clients achieve their business goals. Visit our website to learn more about how Protostar, Inc. can support your technology needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

11 Patents

#496 in San Diego, CA

#6,524 in California

#27,457 in US

#51,637 in the World

San Diego, CA, United States of America

Protostar, Inc., a Delaware Corporation