Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317648 | Apex seal for rotary piston engines with separate sealing and support pieces | Haruhiko Satow | 1982-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317648 | Apex seal for rotary piston engines with separate sealing and support pieces | Haruhiko Satow | 1982-03-02 |