Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601323 | Shoelace cover | Urban Geiwald, Thomas M. Lukens | 2003-08-05 |
| 6418565 | Wrestling ear guard | — | 2002-07-16 |
| D453413 | Shoe lace cover | Urban Geiwald, Thomas M. Lukens | 2002-02-12 |
| D449109 | Knee pad | — | 2001-10-09 |
| D444270 | Wrestling ear guard | — | 2001-06-26 |
| D443955 | Wrestling ear guard | — | 2001-06-19 |
| D443730 | Wrestling ear guard | — | 2001-06-12 |
| D443729 | Wrestling ear guard | — | 2001-06-12 |
| D394333 | Knee pad | — | 1998-05-12 |
| D394332 | Knee pad | — | 1998-05-12 |
| 5685021 | Protective headgear for wrestler | — | 1997-11-11 |
| D384774 | Wrestling ear guard | — | 1997-10-07 |
| D363814 | Sandal | — | 1995-11-07 |
| D341229 | Kneecap guard | — | 1993-11-09 |