Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419105 | Spill resistant lid with openable and closeable drinking opening | Robert C. Warrer | 2002-07-16 |
| 6419112 | Spill resistant lid | Robert C. Warrer, Herbert B. Farmer | 2002-07-16 |