Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794892 | Hydraulic circuit for valve operation timing changing device for internal combustion engine | — | 1989-01-03 |
| 4777914 | Valve operating apparatus for an internal combustion engine | — | 1988-10-18 |
| 4759322 | Valve operating apparatus for an internal combustion engine | — | 1988-07-26 |