Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7220035 | Compact, high-efficiency illumination system for video-imaging devices | Roger Buelow, Wayne R. Hellman, Juris Sulcs, John M. Davenport, Gregory P. Frankiewicz | 2007-05-22 |
| 6302571 | Waterproof system for delivering light to a light guide | John M. Davenport, Roger Buelow, Eric J. Haugaard, Juris Sulcs, Craig Raleigh +1 more | 2001-10-16 |
| 5317237 | Low voltage ballast circuit for a high brightness discharge light source | Joseph M. Allison, James D. Mieskowski, Edward J. Thomas, John M. Davenport | 1994-05-31 |