Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36245 | Non-linear signalling device for vehicles | Michael Benner, Earl W. Gosswiller | 1999-07-06 |
| 5884997 | Light bar | Sigmund Urbanski, Donald E. Weger, Edward J. Stanuch | 1999-03-23 |
| D402909 | Light bar housing | — | 1998-12-22 |
| D364109 | Sign for signalling direction of traffic flow | Donald E. Weger | 1995-11-14 |
| 5426417 | Oscillating warning light for emergency vehicle | — | 1995-06-20 |
| 5207496 | Warning light with accessory mirror | Edward J. Stanuch | 1993-05-04 |
| D324921 | Light bar for an emergency vehicle | Michael Benner, Earl W. Gosswiller | 1992-03-24 |
| 5097397 | Non-linear signalling device for vehicles | Michael Benner, Earl W. Gosswiller | 1992-03-17 |
| D291870 | Combined light and speaker housing for an emergency vehicle | Sigmund Urbanski, Richard William Condon | 1987-09-15 |
| D291355 | Alcohol breath simulator for testing the accuracy of breath testers | Sigmund Urbanski | 1987-08-11 |
| D286989 | Combined vehicle warning light and reflector therefore | Steven Akiyama | 1986-12-02 |
| D286988 | Combined vehicle warning light and adjustable mounting bracket therefor | Steven Akiyama | 1986-12-02 |
| 4511880 | Twin oscillating light | — | 1985-04-16 |
| D269296 | Spot-flood light for emergency vehicles | Steven Akiyama, Sigmund Urbanski | 1983-06-07 |
| 4319306 | Electrically synchronized rotating light system | — | 1982-03-09 |