Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881889 | Arcuate mold element for rotary dough molder | Albert Spiel, Henry C. Spanier | 1989-11-21 |
| 4873096 | Simulated egg treats for pets | Albert Spiel, Henry C. Spanier | 1989-10-10 |
| 4800099 | Canine biscuit containing discrete particles of meat and other materials and method for making same | Gary Gellman, George A. Erfurt | 1989-01-24 |
| 4795655 | Simulated egg treats for pets | Albert Spiel, Henry C. Spanier | 1989-01-03 |