Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148726 | One-piece, open-end wrenching head with roughened jaws | David A. Huebschen, William T. Pagac, Frank Mikic, Douglas M. Sorbie | 1992-09-22 |
| 5117714 | One-piece, open-end wrenching head with serrated jaws | William T. Pagac, Frank Mikic, Douglas M. Sorbie | 1992-06-02 |