Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9362010 | Passive reactivity control apparatus | Jesse R. Cheatham, III, Robert A. Corbin, John Rogers Gilleland, Pavel Hejzlar, Christopher J. Johns +9 more | 2016-06-07 |
| 7190106 | Spark plug with ground electrode having mechanically locked precious metal feature | Darren C. Downs | 2007-03-13 |
| 7011560 | Spark plug with ground electrode having mechanically locked precious metal feature | Darren C. Downs | 2006-03-14 |
| 6132277 | Application of precious metal to spark plug electrode | Daniel Lee Tribble, Robert Scott Ingham, Timothy George Timko | 2000-10-17 |