DB

David R. Birt

CL Communications Patents Limited: 2 patents #2 of 8Top 25%
📍 Oxted, GB: #8 of 16 inventorsTop 50%
Overall (All Time): #2,369,869 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4257123 Device for monitoring the performance of a transmitter John A. Brandhuber 1981-03-17
4213103 Circuit for detecting and controlling simultaneous conduction of two switches connected in series 1980-07-15