Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371592 | Tilting paint spray pump and cart | — | 2013-02-12 |
| 7963532 | Tilting paint spray pump and cart | — | 2011-06-21 |
| 6664473 | Connector assembly for armored cable | Scott Christman | 2003-12-16 |
| 5860794 | Double diaphragm pump with air valve block moving in a rectangular pattern | Kent Hand, Joel T. Fisher, Harold D. Johnson, Graig D. Burt | 1999-01-19 |
| D382277 | Double diaphragm pump | Joel T. Fisher | 1997-08-12 |
| D350387 | Electrostatic spray gun | Stanley G. Karwoski, Robert J. Lind, Thomas Grimm | 1994-09-06 |
| 5328093 | Water-based plural component spray painting system | — | 1994-07-12 |