Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5956180 | Optical viewing system for asynchronous overlaid images | John Bass | 1999-09-21 |
| 5589980 | Three dimensional optical viewing system | John Bass | 1996-12-31 |
| 5509760 | Method of rapid purging of contaminants from a contaminated area of soil or ground water | Fred E. Schriefer, Stephen McMahon | 1996-04-23 |
| 5086354 | Three dimensional optical viewing system | John Bass | 1992-02-04 |
| 4821445 | Water delivery system and method | — | 1989-04-18 |