Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850504 | Spring ring easy-open positive-reclose hermetic food package | Paul E. Gindrod, Ray H. Griesbach | 1989-07-25 |
| 4823961 | Reclosable package | Ray H. Griesbach | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850504 | Spring ring easy-open positive-reclose hermetic food package | Paul E. Gindrod, Ray H. Griesbach | 1989-07-25 |
| 4823961 | Reclosable package | Ray H. Griesbach | 1989-04-25 |