Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D735292 | Water treatment system | — | 2015-07-28 |
| 8011634 | Oxygen tank accessory apparatus | — | 2011-09-06 |
| 6431931 | Reversible weighted float | — | 2002-08-13 |
| 5937791 | Mobile controllable strobe light system and method for directing the movements of fish | Susan Ann Baugher, Ronald Earl Brown, Roberto Schipp, Mark Stevens Newsom, Tien Nguyen +2 more | 1999-08-17 |
| 5507907 | Box sealing machine with tape applicator sensor system | Karl M. Kropp, Daniel Baker | 1996-04-16 |
| 5322025 | Adjustable dual worksurface support | Patrick Sherman, Robert B. Lubinskas, Dennis D. Roach, George J. Simons, Jr., Lynn S. Smith +2 more | 1994-06-21 |
| 4581908 | Trailer hitch lock | Marshall R. Bulle | 1986-04-15 |
| 4511121 | Tire spreader | Marshall R. Bulle | 1985-04-16 |
| 4291557 | Trailer hitch lock | Marshall R. Bulle | 1981-09-29 |