Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7819226 | Suppressing method of wear in friction system between two objects | — | 2010-10-26 |
| 5885940 | Method of supplying and treating lubricant oil in gas service station | — | 1999-03-23 |
| 5872310 | Method for maintaining clean surfaces for valve seat faces of internal combustion engine | — | 1999-02-16 |
| 4435287 | Apparatus for filtration of lubricating oil for an internal combustion engine | — | 1984-03-06 |