Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7168220 | Single piece post cladding element, method of cladding a post and method of forming a cladding element | Christopher Bourque, Alexander H. Plache, Stephen W. Steffes | 2007-01-30 |
| 6634781 | Wear resistant extruder screw | Steven H. Bowens, Arthur A. Hendrick | 2003-10-21 |
| 5595065 | Closed cycle cryogenic refrigeration system with automatic variable flow area throttling device | Michael Boiarski, Ralph C. Longsworth, Boris Yudin, Dennis Hill, Lawrence A. Klusmier +1 more | 1997-01-21 |