DM

Donald D. Markley

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 San Jose, CA: #17,604 of 32,062 inventorsTop 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,295,230 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5322969 Piezoelectric transducer saddle for stringed musical instruments Kenneth T. Aaroe 1994-06-21
4326444 Musical instrument string — 1982-04-27