Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791509 | Uniform stacking cup lid | Jonathan E. Rush, Margaret Virginia Graver | 1998-08-11 |
| D381267 | Cup lid | Jonathan E. Rush, Margaret Virginia Graver | 1997-07-22 |
| D381268 | Cup lid | Jonathan E. Rush, Margaret Virginia Graver | 1997-07-22 |
| 5397023 | Disposable cup lid having a tear-resistant straw through-slit | Thomas R. Toczek, Jonathan E. Rush | 1995-03-14 |