Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041669 | Methods of and apparatus for testing and venting drums | Gilbert W. Brassell, John Warren, Harold Sanchez, Mark A. Castagneri | 2000-03-28 |
| 5767422 | Methods of and apparatus for testing and venting drums | Gilbert W. Brassell, John Warren, Harold Sanchez, Mark A. Castagneri | 1998-06-16 |