Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8237341 | Spark ignition device with bridging ground electrode and method of construction thereof | Robert D. Freeman | 2012-08-07 |
| 7521849 | Spark plug with welded sleeve on electrode | Robert D. Freeman | 2009-04-21 |
| 7385339 | Ignition device having a reflowed firing tip and method of making | Warran Boyd Lineton, James D. Lykowski | 2008-06-10 |