PS

Porter Stone

PP Piezo Electric Products: 1 patents #6 of 12Top 50%
📍 Walpole, NH: #10 of 20 inventorsTop 50%
🗺 New Hampshire: #7,386 of 12,181 inventorsTop 65%
Overall (All Time): #3,964,703 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4791251 Delayed actuator with visco-elastic timer Robert E. Carter 1988-12-13