Forward Citations = 5

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4 inventors (with patents filed for the assignee):

Alvin M Despain (2 out of 13 patents)

R Stockton Gaines (1 out of 36 patents)

Elias B Kosmatopoulos (1 out of 1 patent)

4. Petros A Ioannou (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. RE40545 - Servo control appartaus and method using absolute value input signals (2008-10-20),

2. RE40413 - Method and apparatus for developing a dynamic servo signal from data (2008-06-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#143 in Los Altos, CA

#21,017 in California

#94,905 in US

Los Altos, CA, United States of America

Purchased Patent Management LLC

Forward Citations = 5

4 inventors:

Alvin M Despain (2 out of 13 patents)

R Stockton Gaines (1 out of 36 patents)

Elias B Kosmatopoulos (1 out of 1 patent)

4. Petros A Ioannou (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Purchased Patent Management LLC. Retrieved from https://idiyas.com/company/purchased-patent-management

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]