Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602750 | Administrative computer and testing apparatus | David Severt, Daren Upchurch, William F. Erler | 1997-02-11 |
| 5511108 | Apparatus and method for performing and controlling testing of electrical equipment | David Severt, Daren Upchurch, William F. Erler, James Anselmo | 1996-04-23 |
| 5432705 | Administrative computer and testing apparatus | David Severt, Daren Upchurch, William F. Erler | 1995-07-11 |
| D303524 | Interchangeable circuit module for a portable hand-held computer | David C. Shoptaw | 1989-09-19 |
| D302265 | Portable hand-held computer | David C. Shoptaw | 1989-07-18 |
| 4782348 | Device for high resolution recording of liquid crystal display images | — | 1988-11-01 |