DM

Donald R. Murphy

PP Piezo Electric Products: 3 patents #4 of 12Top 35%
📍 Wellesley, MA: #278 of 837 inventorsTop 35%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #1,062,108 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D312145 Back scratcher 1990-11-13
4927377 Protector for joined extension cords William D. Bach 1990-05-22
4753579 Ultrasonic resonant device 1988-06-28
4702418 Aerosol dispenser Robert E. Carter 1987-10-27
4684328 Acoustic pump 1987-08-04