Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303756 | Tire for indicating tread wear and method of manufacturing the same | — | 1994-04-19 |
| 5287411 | System for detecting the siren of an approaching emergency vehicle | John W. Sloan | 1994-02-15 |