Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356098 | Stable ferrofluid compositions and method of making same | — | 1982-10-26 |
| 4315827 | Low-vapor-pressure ferrofluids and method of making same | William R. Bottenberg | 1982-02-16 |