Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9890877 | Corrugated metal vent pipe and associated system and method | Greg L. Robbins, Wayne A. Peterson | 2018-02-13 |
| 8678449 | Pipe joint and related method | James C. Schluter, James Shade | 2014-03-25 |
| 8109540 | Pipe joint and related method | James C. Schluter, James Shade | 2012-02-07 |
| 7574886 | Apparatus for producing helically corrugated metal pipe and related method | James C. Schluter | 2009-08-18 |
| 7404308 | Apparatus for producing helically corrugated metal pipe and related method | James C. Schluter | 2008-07-29 |