Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5791509 | Uniform stacking cup lid | Jonathan E. Rush, Michael Thomas Grolemund | 1998-08-11 |
| D381267 | Cup lid | Jonathan E. Rush, Michael Thomas Grolemund | 1997-07-22 |
| D381268 | Cup lid | Jonathan E. Rush, Michael Thomas Grolemund | 1997-07-22 |