Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619316 | Check valve having adjustable lift, packing assembly, and retrofit kit for same | Kerry G. Vonalt | 2003-09-16 |
| 6558141 | Packing assembly and reciprocating plunger pump incorporating same | Kerry G. Vonalt | 2003-05-06 |