Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398864 | Pottery plaster formulations for the manufacture of plaster molds | Jeffrey F. Grussing, Salvatore C. Immordino | 2002-06-04 |
| D289289 | Telephone headset hearing aid | Jacek Wojcik, Peter R. Milton | 1987-04-14 |
| 4596899 | Telephone hearing aid | Jacek Wojcik, Peter R. Milton | 1986-06-24 |