Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880812 | Pyrimidine compounds | — | 1989-11-14 |
| 4877292 | Improved unitary disposable chair with comfort-contoured inner reinforcement | James R. Volpe | 1989-10-31 |
| 4811987 | Unitary disposable chair, formable from fiberboard in one pass with minimal waste, and quickly set up | James R. Volpe | 1989-03-14 |