JS

John D. Speake

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Overall (All Time): #1,277,230 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6272330 Radio receiver and gain controlled amplifier therefor 2001-08-07
5953643 Receiver circuit Anthony Richards 1999-09-14
5028894 Bandpass filter circuit arrangement 1991-07-02
4839617 Bandpass filter circuit arrangement 1989-06-13