Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813443 | Vapor recovery fuel nozzles | Mark D. Dalhart, Paul B. Anderson | 1998-09-29 |
| 5620030 | Vapor recovery fuel nozzles | Mark D. Dalhart, Paul B. Anderson | 1997-04-15 |
| 5620031 | Vapor recovery fuel nozzles | Mark D. Dalhart, Paul B. Anderson | 1997-04-15 |
| 5155423 | Industrial robot with servo | James P. Karlen, Jack M. Thompson, Jr., Keith Kowalski, John Bockhold | 1992-10-13 |
| 4973215 | Industrial robot with servo | James P. Karlen, Jack M. Thompson, Jr., Keith Kowalski, Paul H. Eismann | 1990-11-27 |