Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849696 | Apparatus for determinig the strength and direction of a magnetic field, particularly the geomagnetic field | Robert Brun | 1989-07-18 |
| 4832973 | Process for producing characters or symbols on cheese and cheese products | — | 1989-05-23 |