Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603220 | Electronically controlled container for storing temperature sensitive material | — | 1997-02-18 |
| 5320162 | Single pole double throw thermostat for narrow range temperature regulation | — | 1994-06-14 |
| 4335857 | Web aligning system | R. Fred Pfost, Chester W. Newell | 1982-06-22 |
| 4333618 | Apparatus for reducing tape tension variations in a peripheral belt drive tape transport system | — | 1982-06-08 |
| 4199794 | Dual tape transport system with tensioning means | Robert F. Pfost, Chester W. Newell | 1980-04-22 |