Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8322597 | Insert and envelope assembly | Douglas Purcell, Karl C. Unger | 2012-12-04 |
| 6196447 | Envelope with outside coupon flap | Douglas Purcell | 2001-03-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8322597 | Insert and envelope assembly | Douglas Purcell, Karl C. Unger | 2012-12-04 |
| 6196447 | Envelope with outside coupon flap | Douglas Purcell | 2001-03-06 |