Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056144 | Beverage cup with locking lid | David E. Stier, Ernest E. Lindlar | 2000-05-02 |
| D421898 | Bag and beverage cup holder | — | 2000-03-28 |
| 5860552 | Self righting liquid container | William Culhane | 1999-01-19 |