Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9704397 | Apparatus for use in a warning system to notify a land vehicle or a motorist of the vehicle of an approaching or nearby emergency vehicle or train | Darius J. Preisler, David R. Syrowik | 2017-07-11 |