Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541579 | Slitter, wind-up clutch assemblies | James Essary | 1985-09-17 |
| 4491485 | Tape cleaning method | — | 1985-01-01 |
| 4400846 | Tape cleaning apparatus | — | 1983-08-30 |
| 4199265 | Motorless magnetically coupled stirrer | Patrick S. Chan | 1980-04-22 |