Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8186691 | Composite seal and coupling | Nikhil Baxi, John Nichols, Daniel D. Labrenz | 2012-05-29 |
| 7401404 | Retainer gasket construction | Douglas Schenk, Darrell W. Rall | 2008-07-22 |