Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9438420 | Unpredictable number generation | David A. Roberts | 2016-09-06 |
| D715137 | Door chock | — | 2014-10-14 |
| 7581610 | Vehicle and four-to-three wheel conversion method | — | 2009-09-01 |
| 6485632 | Apparatus and method for reclaiming waste oil for use as fuel for a diesel engine | — | 2002-11-26 |
| 5666725 | Engine remanufacture by adhesively retained cylinder liners | — | 1997-09-16 |
| 5497693 | Replacement cylinder for cast iron block engine remanufacture | — | 1996-03-12 |
| 5482000 | Surface mount overheat indicator with projecting fusible disk | — | 1996-01-09 |
| 5329770 | Exhaust gas turbine drive system for engine accessories | — | 1994-07-19 |