PB

Peter Geoffrey Burton

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,965,640 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4794632 Telephone trunk line testing circuitry James K. Kennedy 1988-12-27