Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D324396 | Hand stamp | — | 1992-03-03 |
| D283629 | Adjustable dater | Stephen Hewitt, Bengt Darhult | 1986-04-29 |
| 4579057 | Stamper with rotatable cover | Stephen Hewitt, Bengt Darhult | 1986-04-01 |
| D276818 | Office stamp | Bengt Darhult | 1984-12-18 |