Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946628 | Tubular metal fitting expandable in a wall opening and method of installation | Dean C. Madden, Mark R. Weiss | 2011-05-24 |
| 7448652 | Tubular metal fitting expandable in a wall opening and method of installation | Dean C. Madden, Mark R. Weiss | 2008-11-11 |
| 7024908 | Fatigue enhancement of material surrounding openings in workpieces | Charles M. Copple, Jude H. Restis | 2006-04-11 |