Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5889257 | Heated dental knife | Harry W. Schader | 1999-03-30 |
| 5732862 | Material holding apparatus with integrated finger mount | — | 1998-03-31 |
| 5552457 | Process for making a carbon black/resin masterbatch | Howard A. Colvin | 1996-09-03 |
| 5169315 | Material holding apparatus with integrated finger mount and cap | — | 1992-12-08 |
| 5112227 | Material holding apparatus with integrated finger mount | — | 1992-05-12 |
| 4902775 | Rubber vulcanization agents of sulfur olefin adduct | Howard A. Colvin, Fredrick Lewis Magnus | 1990-02-20 |
| 4792589 | Rubber vulcanization agents of sulfur and olefin | Howard A. Colvin | 1988-12-20 |
| 4739036 | Rubber vulcanization agents and methods for their preparation | Howard A. Colvin | 1988-04-19 |