Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8689589 | Washer/extractor with plastic hose connecting fitting | Daryl T. Johnson | 2014-04-08 |
| 5815984 | Casement window operator | Lavern L. Wintrone, Michael W. Kondratuk | 1998-10-06 |
| 5529354 | Spring pack assembly | Timothy K. Studt | 1996-06-25 |
| D337022 | Knife handle | — | 1993-07-06 |