Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234705 | Sealing gasket with flexible stopper | Yingjie Kong, Scott Anderson, Ronald Wangerow | 2007-06-26 |
| 7128322 | Light colored cylinder head gasket and method of producing | Jerry Gerstile Smith | 2006-10-31 |
| 7121556 | Molded plastic gasket | David M. Barth, Ronald Wangerow | 2006-10-17 |
| 6945538 | Cylinder head gasket and method of producing | Jerry Gerstile Smith | 2005-09-20 |
| 5586769 | Head gasket with pre-embedded metal shim and method of using same | Michael O'Brien | 1996-12-24 |