Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658620 | Place mat having erectable and interchangeable pop-up figures | — | 1997-08-19 |
| 4475949 | Alkali earth metal oxide-based coating compositions | Jeffrey J. Lettrich | 1984-10-09 |