TF

Thomas C. Freer

GP Grover Musical Products: 1 patents #4 of 5Top 80%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Cleveland Heights, OH: #172 of 614 inventorsTop 30%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,087,251 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12340780 Muffler for percussion instrument — 2025-06-24
10482854 Hybrid snare drum stick — 2019-11-19
6172288 Clamp for a snare drum — 2001-01-09
5275081 Snare clamp for a drum — 1994-01-04