Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9018435 | Paper diaper | — | 2015-04-28 |
| 5649828 | Writing board system | — | 1997-07-22 |
| 5417748 | Writing instrument | — | 1995-05-23 |
| 5415434 | Printed matter | — | 1995-05-16 |
| 5215956 | Color changing print | — | 1993-06-01 |
| 5196243 | Printed matter | — | 1993-03-23 |
| 5139572 | Reusable hidden indicia printed sheet | — | 1992-08-18 |
| 5000413 | Coaster for glass | — | 1991-03-19 |
| 4907903 | Representing utensil | — | 1990-03-13 |