ST

Sylvan F. Tyrrel

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 McKinney, TX: #730 of 1,180 inventorsTop 65%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,647,626 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5896457 Light enhanced sound device and method — 1999-04-20