Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297673 | Adjustable tamper-resistant locking mechanism for manhole cover | Michael Gustafson, Craig Culbertson | 2025-05-13 |
| 12234408 | Photochromic and electrochromic compounds | Emily Adams | 2025-02-25 |
| 11204134 | Independent secondary indicator for vapor valve actuation | Michael Gustafson | 2021-12-21 |
| 10876650 | Dual cylinder pressure equalization system | Patrick Lund | 2020-12-29 |
| 8765677 | Omega conotoxin peptides | Richard James Lewis, Geza Berecki, Roger Drinkwater, Paul Francis Alewood, MacDonald Christie | 2014-07-01 |
| 8171953 | Tank pressure and vacuum relief device | Patrick Lund, Craig Culbertson | 2012-05-08 |
| 6825206 | Camptothecin compounds with a thioether group | Michael P. Gamcsik, O. Michael Colvin, Monroe E. Wall, Mansukh C. Wani, Govindarajan Manikumar +1 more | 2004-11-30 |
| 6274770 | Process for preparation of aromatic compounds | James Hanley Clark | 2001-08-14 |
| 5967358 | Tank filling and pressure relief assembly | Charles A. Betts | 1999-10-19 |
| 5750227 | Tiled surface covering | — | 1998-05-12 |