Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D459188 | Blade lifter | Walter A. Gardiner | 2002-06-25 |
| D454769 | Knife handle portion | Walter A. Gardiner | 2002-03-26 |
| 5963999 | Multi-purpose folding tool | Walter A. Gardiner, David A. Swinden, James O. Quinn, Robert Andersen, Joseph A. Hufnagel +3 more | 1999-10-12 |
| D409893 | Surface portions of folded multi-purpose tool | Walter A. Gardiner, David A. Swinden, Joseph A. Hufnagel, Robert L. Naas | 1999-05-18 |
| D401133 | Multi-purpose folding pliers | Walter A. Gardiner, David A. Swinden, Joseph A. Hufnagel, Robert L. Naas | 1998-11-17 |
| 5791002 | Multi-purpose folding tool | Walter A. Gardiner, David A. Swinden, James O. Quinn, Robert Andersen, Joseph A. Hufnagel +3 more | 1998-08-11 |
| 5495673 | Knife with detachable support | Walter A. Gardiner, David A. Swinden | 1996-03-05 |