DR

David Richardson

AL Airbus Uk Limited: 1 patents #17 of 102Top 20%
SC Siemens Communications: 1 patents #33 of 80Top 45%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,023,071 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8055778 SIP user agent with simultaneous multiple registrations Gary Edward Mora 2011-11-08
7473010 Light cover Edwin W O'Brien, Andy Yiasoumi, Nathalie Plouzennec 2009-01-06
D312970 Clock 1990-12-18
4878254 Compact signal enhancer 1989-10-31
4219777 Detector for multiplicity of radio wave frequencies 1980-08-26