Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657840 | Multi-layer gasket assembly | Steven Kueltzo, Richard Michael Larson | 2017-05-23 |
| 6669204 | Cylinder head gasket having reinforced combustion seal | Richard Michael Larson | 2003-12-30 |
| 5970612 | Method of making head gasket with improved armoring | — | 1999-10-26 |
| 5772215 | Head gasket with improved armoring and method of making same | — | 1998-06-30 |