Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621503 | Pressure sensing devices and methods, control devices and methods of operating same, smart pressure switches, air conditioning systems and devices for controlling same | Ronald L. Hilty, William P. Kornrumpf | 1986-11-11 |
| 4532389 | Electric circuit controlling device and method of operating | — | 1985-07-30 |
| 4493144 | Method of assembling a combination starter-protector device | Donald L. Haag | 1985-01-15 |
| 4387412 | Combination starter-protector device | Donald L. Haag | 1983-06-07 |
| 4355458 | Method of making an electrical control | Donald L. Haag | 1982-10-26 |
| 4334162 | Releasable combination and method of assembly | Donald L. Haag | 1982-06-08 |
| 4327481 | Method of assembling an electrical device | — | 1982-05-04 |
| 4319299 | Combination starter-protector device, apparatus utilizing such device, and methods of assembling | Donald L. Haag | 1982-03-09 |
| 4241494 | Method of assembling an electrical device | — | 1980-12-30 |
| 4237508 | Electrical control | Donald L. Haag | 1980-12-02 |
| 4225210 | Terminal and method of making | Donald L. Haag | 1980-09-30 |
| 4199740 | Switch device and method of making | — | 1980-04-22 |