Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6911903 | Tire pressure indicator | Jason Morris, Michael Tinstman, Marwan Aylouche, Robert S. Holland | 2005-06-28 |
| 6531960 | Low tire pressure indicator | John F. Gundlach, Hans-Georg Liemke, Thomas C. Merle | 2003-03-11 |