Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429576 | Apparatus for making reusable adhesive envelopes | — | 1995-07-04 |
| 5222280 | Metal clip for closing mailing envelopes and the like | Kurt Dunnebier | 1993-06-29 |
| 5186705 | Method and apparatus for forming clasp envelopes | — | 1993-02-16 |
| 4994010 | Method and apparatus for the attachment of clasps to letter envelopes | — | 1991-02-19 |