Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9926894 | Intake manifold | — | 2018-03-27 |
| 9273653 | Intake manifold | — | 2016-03-01 |
| 8196479 | Portable multi-tube air sampler unit | Richard K. Ludwick | 2012-06-12 |
| 7634982 | Intake manifold | — | 2009-12-22 |
| 7523730 | Carburetor spacer | — | 2009-04-28 |
| 7264775 | Igniter assembly | Stephen B. Cummins, Douglas C. Stewart | 2007-09-04 |
| 6922238 | Self-tuning pulse flame photometric detector system and associated method of self-tuning | Plamen Doynov, Douglas C. Stewart | 2005-07-26 |
| D492888 | Nitrous oxide flow solenoid bracket | — | 2004-07-13 |
| 6269805 | Manifold spacer | — | 2001-08-07 |
| 5172598 | Stored gas inflatable restraint inflation system | Gregory A. Miller, Brian H. Frantz, Jeffery L. Pearson | 1992-12-22 |