Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642635 | Remote meter reading system | — | 1987-02-10 |
| 4595916 | Integral water sensing and detecting device | — | 1986-06-17 |
| 4590999 | Fire extinguishing sprinkler valve | — | 1986-05-27 |
| 4570597 | Fluidially controlled fuel system | — | 1986-02-18 |
| D279092 | Trailer hitch guide | — | 1985-06-04 |
| D277678 | Autogenous impact mill | — | 1985-02-19 |
| 4485442 | Cumulative exposure metering system | Stephen Bortniak | 1984-11-27 |
| D275443 | Box-type wrench for ovularly-shaped valve handles | — | 1984-09-11 |
| 4435719 | Fluidic matrix printer | — | 1984-03-06 |
| 4407134 | Air conditioning system | — | 1983-10-04 |
| 4304132 | Water detection device | — | 1981-12-08 |
| 4208643 | Magnetically actuated mercury switch | Gary B. Zulauf | 1980-06-17 |