Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847066 | Method of treating a consumable product and packaging for consumable products to indicate the presence of contamination | David E. Honigs, Jonathan Hale Perkins | 1989-07-11 |
| 4746616 | Method of treating a consumable product and packaging for consumable products to indicate the presence of contamination | David E. Honigs, Jonathan Hale Perkins | 1988-05-24 |