Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147065 | Disposable cup lid having a tear-resistant straw slot | Robert J. Linnander | 1992-09-15 |
| 4877151 | Snap-on lid and mold for making the lid | Phillip D. Scalvini, Reinhold Gerber | 1989-10-31 |