Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D458837 | Dispenser | — | 2002-06-18 |
| D383399 | Measuring wheel | Stephen Thompson | 1997-09-09 |
| 5167507 | Teaching clock having indicia carrier allowing curvilinear translation of indicia | Nicola J. Cobb | 1992-12-01 |