Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11619356 | Hot tap system and method for coated ductwork | Michael J. Ambrisco | 2023-04-04 |
| 10408386 | Hot tap system and method for coated ductwork | Michael J. Ambrisco | 2019-09-10 |
| 7264279 | Segmented conduit having a monolithic lining | Joseph M. Rich, Robert Moore | 2007-09-04 |
| 7102043 | Process for synthesizing diisopropylbenzene | Ronald Quentin Bennett, Jonathan D. Rich | 2006-09-05 |