Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7036416 | Hole punch quick-change die assembly with pin strap and positioning system | Marvin E. Whiteman, Jr. | 2006-05-02 |
| 6748839 | Hole punch quick-change die assembly with positioning system | Marvin E. Whiteman, Jr. | 2004-06-15 |
| 6651540 | Hole punch quick-change die assembly with pin strap and positioning system | Marvin E. Whiteman, Jr. | 2003-11-25 |
| 6536321 | Hole punch quick-change die assembly with clamp system | Marvin E. Whiteman, Jr. | 2003-03-25 |
| 6363826 | Hole punch quick-change die assembly with pin strap and positioning system | Marvin E. Whiteman, Jr. | 2002-04-02 |
| 6047623 | Hole punch quick-change die assembly with pin strap and positioning system | Marvin E. Whiteman, Jr. | 2000-04-11 |
| 5771768 | Hole punch with quick-change die assembly | — | 1998-06-30 |
| 5527141 | Coil insertion guide | — | 1996-06-18 |