David L Walker (1 out of 12 patents)
Steven A Spears (1 out of 5 patents)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#23 in Covina, CA
#29,047 in California
#136,844 in US
Walker Digital Audio Video Systems, Inc.
Forward Citations = 7
2 inventors:
Covina, CA, United States of America
Walker Digital Audio Video Systems, Inc.
Forward Citations = 7
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2 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Walker Digital Audio Video Systems, Inc.. Retrieved from https://idiyas.com/company/walker-digital-audio-video-systems
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]
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]
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]