George W. Gamble

📍 Acton, MA: #728 of 1,334 inventorsTop 55%

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%

Overall (All Time): #2,371,596 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4287389	High-fidelity speaker system	—	1981-09-01
4229618	High-fidelity speaker with negative feedback	—	1980-10-21