Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973762 | Method and device for maintaining the opening position of an envelope | John P. Miller | 2005-12-13 |
| 6425223 | Method and device for maintaining the opening position of an envelope | John P. Miller | 2002-07-30 |