HP

Harold O. Purvine

📍 Bothell, WA: #1,506 of 2,342 inventorsTop 65%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,795,488 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5304746 Reduction of standing waves and intermodulation distortion in electro-acoustic transducer — 1994-04-19