Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253781 | Disposable drink-through cup lid | Terrance N. Durdon | 1993-10-19 |
| 5111961 | Cup lid | — | 1992-05-12 |
| 4421244 | Plastic lid for containers | — | 1983-12-20 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253781 | Disposable drink-through cup lid | Terrance N. Durdon | 1993-10-19 |
| 5111961 | Cup lid | — | 1992-05-12 |
| 4421244 | Plastic lid for containers | — | 1983-12-20 |