Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392352 | Burnout protection for lamps wired in series | Laszlo Lieszkovszky | 2002-05-21 |
| 6164313 | Low-high flow rate valve | — | 2000-12-26 |
| 5692535 | Icing preventer with temperature adjustment washer | — | 1997-12-02 |
| 5430353 | Lamp inlead assembly having a formed foil arrangement | Joseph Feldman, Walter Chapman, Edward J. Collins, Daniel L. Connell, Gerald A. Johnson +1 more | 1995-07-04 |
| 5424805 | Vacuum blanket lifting apparatus | Charles J. Leonhart | 1995-06-13 |
| 5394220 | Vacuum blanket for pin registration | Charles J. Leonhart | 1995-02-28 |
| 4622526 | Power line interference filter mounted on a PC board | Lon M. Schneider | 1986-11-11 |
| 4469118 | Icing preventor | — | 1984-09-04 |
| 4453563 | Non-chattering float controlled pilot operated diaphragm valve | — | 1984-06-12 |
| 4352371 | Low-high flow rate valve | — | 1982-10-05 |
| 4344450 | Icing preventor | — | 1982-08-17 |
| 4298022 | Energy saver control for outdoor water heater | — | 1981-11-03 |