Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6044650 | Insulated storage/shipping container for maintaining a constant temperature | Sanford L. Cook, Katherine T. Cansfield, David J. Kenyon | 2000-04-04 |
| 5934099 | Temperature controlled container | Sanford L. Cook | 1999-08-10 |
| 5669233 | Collapsible and reusable shipping container | Sanford L. Cook | 1997-09-23 |
| 5492616 | Protective envelope package | Sanford L. Cook, Bruce B. Sawyer, Kenneth Raymond Gibbs | 1996-02-20 |
| D342436 | Refrigerator handle | Sanford L. Cook | 1993-12-21 |
| 4569208 | Pressure relief port | — | 1986-02-11 |
| 4357972 | Water glass filler | — | 1982-11-09 |
| D261657 | Glass filler | — | 1981-11-03 |
| 4210349 | Device for holding a door firmly closed | Sanford L. Cook | 1980-07-01 |