Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385767 | Folding tool handle | Joseph A. Sorensen | 1997-11-04 |
| D383048 | Folding tool handle | Joseph A. Sorensen | 1997-09-02 |
| 5644852 | Chalk line reel | Toby J. Beckmann, Joseph A. Sorensen, Thomas M. Chervenak | 1997-07-08 |
| D378797 | Tool handle | Charles Poremba, Joseph A. Sorensen | 1997-04-15 |