Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472614 | Disposable cup lid | Robert J. Schaefer | 2022-10-18 |
| 10940980 | Disposable cup lid | Robert J. Schaefer | 2021-03-09 |
| 10351308 | Disposable cup lid | Robert J. Schaefer | 2019-07-16 |
| 6250545 | Insulative sleeve for disposable hot drink cup | Vince S. Cerasani | 2001-06-26 |