RW

Ricky R. Walker

PL Plantronics: 1 patents #228 of 433Top 55%
Overall (All Time): #3,881,996 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5036536 Electret microphone transmitter for use in telephone circuits David O. Hanon 1991-07-30