Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223693 | Soft rawhide article and method | William Perlberg, David Schwartz | 2001-05-01 |
| D425264 | Pet insecticide collar with surface ornamentation | William Perlberg | 2000-05-16 |
| 4806377 | Waxy corn masa based products and methods of making | Eugene B. Ellis, Pete D. Friedemann | 1989-02-21 |
| 4517204 | Reduced calorie puffed snack food products | George P. Mottur | 1985-05-14 |
| 4514428 | Crisp apple snack and process for making same | Dennis W. Koerner | 1985-04-30 |
| 4259445 | Immobilized enzyme catalyst | Joseph Glogowski | 1981-03-31 |