Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D297566 | Direct delivery unit for application of dental materials or the like | William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski, Jeffrey Kapec, Kazuna Tanaka | 1988-09-06 |
| 4693684 | Ratchet type dispenser for dental materials | William J. Blatherwick, Leslie Hamilton, Robert D. Holewinski, Jeffrey Kapec, Kazuna Tanaka | 1987-09-15 |