Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D571394 | Toner cartridge | — | 2008-06-17 |
| 5658444 | Electrochemical sensors | Murdo Black, James F. Guthrie | 1997-08-19 |
| 4962165 | Process for making silicone particles | Newman M. Bortnick | 1990-10-09 |
| 4739949 | Wheel locks for video tape cassettes | — | 1988-04-26 |