Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9750912 | Intubation device | Laura McCormick, Douglas Mullen, Sabina Siddiqui | 2017-09-05 |
| D642598 | Engine enclosure | Aaron David Wikner, Dean Arden Boyce, Brian T. Brown, William E. Crookes, Bernard M. Gruman | 2011-08-02 |
| D604453 | Lamp housing | Gerald Werner, William E. Crookes | 2009-11-17 |
| D554669 | Hood with grill element | William E. Crookes | 2007-11-06 |
| D512445 | Large row crop tractor hood | Scott K. Farlow, Dennis A. Bowman, William E. Crookes | 2005-12-06 |
| D512079 | Large row crop tractor hood | Scott K. Farlow, Dennis A. Bowman, William E. Crookes | 2005-11-29 |
| D495344 | Large row crop tractor hood | Scott K. Farlow, Dennis A. Bowman, William E. Crookes | 2004-08-31 |
| D495345 | Large row crop tractor hood | Scott K. Farlow, Dennis A. Bowman, William E. Crookes | 2004-08-31 |
| D483383 | Hood assembly | William E. Crookes, Ronnie Franklin Burk, James Allen Newhouse, Shane Michael Boden, Gerald Werner | 2003-12-09 |