Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D420271 | Letter opener | — | 2000-02-08 |
| 6003181 | Combined letter opener and sheet-like material cutter tool | — | 1999-12-21 |
| D355347 | Letter opener | — | 1995-02-14 |
| D353316 | Combined ruler and letter opener | G. Gerry Schmidt | 1994-12-13 |