Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400076 | Xenon metal halide lamp having improved thermal gradient characteristics for longer lamp life | Gary R. Allen, Rocco T. Giordano, Gary O. Jacobs, Timothy P. Dever | 2002-06-04 |
| 5675677 | Lamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lamp | John M. Davenport, Mark E. Duffy, Richard L. Hansler, William J. Cassarly, Thomas G. Parham +3 more | 1997-10-07 |
| 5479545 | Reverse flared optical coupling member for use with a high brightness light source | John M. Davenport, Richard L. Hansler, John W. Munk, Jr., Richard C. Nagle | 1995-12-26 |
| 5343367 | Projection headlamp system having direct optical coupling of light distribution elements with discharge arc light source | John M. Davenport, Richard L. Hansler | 1994-08-30 |
| 5317484 | Collection optics for high brightness discharge light source | John M. Davenport, Richard L. Hansler, William J. Cassarly | 1994-05-31 |
| 5258691 | Metal halide lamp having improved operation acoustic frequencies | James T. Dakin, Gary R. Allen | 1993-11-02 |
| 5198727 | Acoustic resonance operation of xenon-metal halide lamps on unidirectional current | Gary R. Allen, Joseph M. Allison, John M. Davenport, Richard L. Hansler | 1993-03-30 |
| 5199091 | Arrangement and a method for coupling a light source to a light guide using a solid optical coupler | John M. Davenport, William W. Finch, Richard L. Hansler, John L. Henkes | 1993-03-30 |