Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883270 | Shingle with film covered surfaces | Margie A. Beerer, Matti Kiik, Sudhir Railkar | 2021-01-05 |
| 10060132 | Shingle with film covered surfaces | Margie A. Beerer, Matti Kiik, Sudhir Railkar | 2018-08-28 |
| 9286875 | Electronic percussion instrument | — | 2016-03-15 |
| 8061473 | Passive personal vocal monitor | — | 2011-11-22 |