Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799443 | Swing sail boat | — | 1989-01-24 |
| 4799956 | Intercalatd graphite gaskets and pressure seals | — | 1989-01-24 |
| 4799957 | Intercalated graphite containing electrical motor brushes and other contacts | — | 1989-01-24 |
| 4798771 | Bearings and other support members made of intercalated graphite | — | 1989-01-17 |