Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851371 | Fabricating process for large array semiconductive devices | Donald J. Drake | 1989-07-25 |
| 4556890 | Cleaning apparatus for a magnetographic recording head | Herman A. Hermanson | 1985-12-03 |
| 4531137 | Thermoremanent magnetic imaging method | Reinhold E. Drews, Herman A. Hermanson, Stephen F. Pond | 1985-07-23 |
| 4522488 | Cleaning apparatus for a magnetographic printing device | — | 1985-06-11 |