Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537333 | Process and composition of sulfur dyes | J. Michael Hipp, Mark S. Carlough, William T. Sherrill | 2003-03-25 |
| 6302925 | Process and composition of sulfur dyes | J. Michael Hipp, Mark S. Carlough, William T. Sherrill | 2001-10-16 |
| 6287349 | Process and composition of sulfur dyes | J. Michael Hipp, Mark S. Carlough, William T. Sherrill | 2001-09-11 |
| 6019800 | Process and composition of sulfur dyes | J. Michael Hipp, Mark S. Carlough, William T. Sherrill | 2000-02-01 |