Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7607373 | Adjusting device for a hand-held tool | — | 2009-10-27 |
| 7527421 | Method for tinting a cartridge of caulking material | David George Schellenberg, Cindy Mae Gronlund | 2009-05-05 |
| 6973857 | Hand tool adjuster | — | 2005-12-13 |