Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7240697 | Apparatus and method for isolating and testing a segment of pipelines | Charles L. Stecker | 2007-07-10 |
| 5522515 | Ring segment connection | David J. Pech, Terry W. Kleppe | 1996-06-04 |
| 5199586 | Quick-connect sectional boom members for cranes and the like | David J. Pech, Terry S. Casavant, John M. Lanning, Paul M. Pukita, Michael J. Wanek | 1993-04-06 |