Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7799177 | Valve installation apparatus and methods | Leslie P. Antalffy, Samuel A. Martin, Kenneth D. Kirkpatrick, Michael B. Knowles, George T. West | 2010-09-21 |
| 7189310 | Coke chute systems and methods therefor | Leslie P. Antalffy, Samuel A. Martin, Michael B. Knowles, George T. West | 2007-03-13 |
| 7108768 | Safety lock boltless closures | Leslie P. Antalffy, Michael B. Knowles, Samuel A. Martin, George T. West | 2006-09-19 |
| 6926013 | Apparatus and methods for shielding high-pressure fluid devices | Samuel A. Martin, Leslie P. Antalffy, Bruce Kerr, Michael B. Knowles, George T. West | 2005-08-09 |