Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36245 | Non-linear signalling device for vehicles | Edward S. Stanuch, Michael Benner | 1999-07-06 |
| 5584560 | Remote control spotlight | Philip C. Hawken, Paul D. Graham | 1996-12-17 |
| 5146508 | Omindirectional modular siren | Joseph F. Bader | 1992-09-08 |
| D324921 | Light bar for an emergency vehicle | Edward S. Stanuch, Michael Benner | 1992-03-24 |
| 5097397 | Non-linear signalling device for vehicles | Edward S. Stanuch, Michael Benner | 1992-03-17 |
| 4847590 | Outdoor warning siren | — | 1989-07-11 |
| 4635039 | Low drag warning system for emergency vehicles | — | 1987-01-06 |
| 4595904 | Warning light system for emergency vehicles | G. Thomas Ritter | 1986-06-17 |
| D280978 | Combined light and speaker housing for emergency vehicles | — | 1985-10-15 |
| 4529969 | Siren | — | 1985-07-16 |
| 4488209 | Portable lighting apparatus | — | 1984-12-11 |
| 4387362 | Method and apparatus for increasing effective light intensity of a rotating light | — | 1983-06-07 |
| 4357595 | Flashing light warning system for vehicles | — | 1982-11-02 |
| 4286254 | Rotating signal light with variable voltage lamp circuit | — | 1981-08-25 |
| 4281311 | Method and apparatus for increasing effective light intensity of a rotating light | — | 1981-07-28 |
| 4240062 | Flashing light warning system for vehicles | — | 1980-12-16 |
| D254603 | Combined light and siren speaker housing for emergency vehicle | — | 1980-04-01 |
| D254604 | Combined light and siren speaker housing for emergency vehicle | — | 1980-04-01 |
| 4189709 | Modular housing assembly for vehicle warning light system | — | 1980-02-19 |