Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10776134 | Management of application properties | Mihai Matei, Mark Davis | 2020-09-15 | $7,588,000 |
| 6454436 | Lamp securing device | Laszlo S. Ilyes | 2002-09-24 | $38,143,000 |
| 6232707 | Wedge base lamp | Joseph M. Ranish, Frederick Hetzel | 2001-05-15 | $99,837,000 |
| 6084359 | Coil assembly for an electrodeless fluorescent lamp | Frederick Hetzel, Vito J. Arsena, Joseph C. Oberle, David O. Wharmby, Steven John Everest +1 more | 2000-07-04 | |
| D391650 | Fluorescent lamp | Frederick Hetzel | 1998-03-03 | |
| 5691598 | Fluorescent lamp with thermal heat shield between lamp tube and ballast circuitry | Kelvin B. Belle, Leon F. Chamberlain, Raymond Albert Fillion, Jozsef Fulop, David J. Kachmarik +3 more | 1997-11-25 | $67,308,000 |
| 5629581 | Lamp cathode-to-ballast interconnect and method | Kelvin B. Belle, Jozsef Fulop, David J. Kachmarik, Ferenc Papp, Brian M. Ronald +1 more | 1997-05-13 | $57,802,000 |