Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7576857 | Particle counter with laser diode | — | 2009-08-18 |
| 6913201 | Housing for portable handheld electronic device | Robert E. Stewart | 2005-07-05 |
| 6859277 | Particle counter with strip laser diode | Thomas Bates | 2005-02-22 |
| 6798517 | Handheld, portable color measuring device with display | Gary Emerson | 2004-09-28 |
| 6525819 | Colorimeter for dental applications | S. Brett Delawter, Gary Emerson, Brian Franklin | 2003-02-25 |
| 6157454 | Miniature colorimeter | Gary Emerson | 2000-12-05 |
| 6012544 | Aerial work platform with removably attachable support structure for auxiliary power plant | Robert D. Backer, Brian S. Hess, Danny J. Skidmore | 2000-01-11 |
| D416883 | Portable handheld scanning device | Robert E. Stewart, Douglas K. Ewald | 1999-11-23 |
| 5517577 | Self aligning, low power character reading apparatus | — | 1996-05-14 |
| 4194723 | Scissors linkage workman's platform | John L. Grove | 1980-03-25 |