Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139821 | Materials and methods utilizing a temporary visual indicator | Christopher D. Batich, Richard J. Melker | 2000-10-31 |
| 5997891 | Materials and methods utilizing a temporary visual indicator | Richard J. Melker, Christopher D. Batich | 1999-12-07 |
| 5837645 | Materials and methods utilizing a temporary visual indicator | Richard J. Melker, Christopher D. Batich | 1998-11-17 |
| 5532029 | Materials and methods utilizing a temporary visual indicator | Richard J. Melker, Christopher D. Batich | 1996-07-02 |
| 5523075 | Materials and methods utilizing a temporary visual indicator | Richard J. Melker, Christopher D. Batich | 1996-06-04 |