Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623137 | Illumination apparatus for optical readers | William H. Havens, Thomas W. Karpen | 1997-04-22 |
| 5430285 | Illumination system for optical reader | Thomas W. Karpen, Kenneth A. Wright, Gerard Frederick Beckhusen, Mark A. McClaude, William Lagerway +1 more | 1995-07-04 |
| 5291008 | Optical assembly and apparatus employing same using an aspherical lens and an aperture stop | William H. Havens, Harry R. McKinley, Charles M. Hammond, Jr., Joseph J. Morabito | 1994-03-01 |