Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631569 | Internal cushioned metatarsal guard for safety footwear and method of making the same | David H. Scharbius, Charles E. Phillips, Robert J. Krebs, David A. Kucirek, Daniel D. Szulczewski +1 more | 2003-10-14 |