Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6518692 | Discharge device having cathode with micro hollow array | Karl H. Schoenbach, Frank E. Peterkin, Amin N. Dharami | 2003-02-11 |
| 6346770 | Discharge device having cathode with micro hollow array | Karl H. Schoenbach, Frank E. Peterkin, Amin N. Dharamsi | 2002-02-12 |
| 6072273 | Discharge device having cathode with micro hollow array | Karl H. Schoenbach, Frank E. Peterkin, Amin N. Dharamsi | 2000-06-06 |
| 5939829 | Discharge device having cathode with micro hollow array | Karl H. Schoenbach, Frank E. Peterkin, Amin N. Dharamsi | 1999-08-17 |
| 5723951 | Method of hot restarting a high intensity discharge lamp | Yan Li, A. Bowman Budinger | 1998-03-03 |
| 5686789 | Discharge device having cathode with micro hollow array | Karl H. Schoenbach, Frank E. Peterkin, Amin N. Dharamsi | 1997-11-11 |
| 5339005 | Method and circuit for improving HID lamp starting | Brian Dale, Philip D. Gregor, A. Bowman Budinger, Yan Li | 1994-08-16 |
| 5118994 | Method and circuit for improved HID lamp maintenance | Brian Dale, Philip D. Gregor, A. Bowman Budinger, Yan Li | 1992-06-02 |
| 5086276 | Method of determining condensate location in an HID lamp | Yan Li, A. Bowman Budinger, Philip D. Gregor, William M. Keeffe | 1992-02-04 |
| 4888528 | Method of and apparatus for ultrahigh frequency starting of high intensity discharge lamps | Scott J. Butler, Robert J. Regan, Joseph M. Proud | 1989-12-19 |
| 4866339 | Beam mode fluorescent lamp | A. Bowman Budinger, Joseph M. Proud | 1989-09-12 |
| 4721888 | Arc discharge lamp with ultraviolet enhanced starting circuit | Joseph M. Proud, Charles N. Fallier, Jr. | 1988-01-26 |
| 4713587 | Multipulse starting aid for high-intensity discharge lamps | Charles N. Fallier, Jr., James N. Lester | 1987-12-15 |
| 4521718 | Beam mode lamp with voltage modifying electrode | A. Bowman Budinger, Joseph M. Proud | 1985-06-04 |
| 4518897 | Twin anode beam mode fluorescent lamp | Joseph M. Proud, A. Bowman Budinger, Leslie A. Riseberg | 1985-05-21 |
| 4516057 | Multi-electrode array for a beam mode fluorescent lamp | Joseph M. Proud, Leslie A. Riseberg, A. Bowman Budinger | 1985-05-07 |
| 4494046 | Single cathode beam mode fluorescent lamp for DC use | A. Bowman Budinger, Joseph M. Proud | 1985-01-15 |
| 4450380 | Multi-electrode array for a beam mode fluorescent lamp | Joseph M. Proud, Leslie A. Riseberg, A. Bowman Budinger | 1984-05-22 |
| 4413204 | Non-uniform resistance cathode beam mode fluorescent lamp | A. Bowman Budinger, Joseph M. Proud, Leslie A. Riseberg | 1983-11-01 |
| 4408141 | Dual cathode beam mode fluorescent lamp | A. Bowman Budinger, Joseph M. Proud | 1983-10-04 |