Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818625 | Boron-silicon-hydrogen alloy films | John C. Robinson | 1989-04-04 |
| 4810532 | Boron-silicon-hydrogen alloy films | John C. Robinson | 1989-03-07 |
| 4806431 | Composites coated with boron-silicon-oxide films | John C. Robinson | 1989-02-21 |