Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894175 | Photo-control apparatus and circuit | Rudolph W. Janda, Steve G. Baker | 1999-04-13 |
| 5280135 | Outdoor electrical outlet cover | Julius R. Rosenski | 1994-01-18 |
| D342233 | Outdoor electrical outlet cover | Julius R. Rosenski | 1993-12-14 |
| 4280682 | Cam actuated butterfly valve | Keith E. Zukausky | 1981-07-28 |
| 4262178 | Calibration mechanism for a pressure switch | — | 1981-04-14 |
| 4229680 | Lamp life extender | Clifford E. Mensing, Ole K. Nilssen | 1980-10-21 |