Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353077 | Optical floppy disc data storage and retrieval techniques | Phillip E. Gokey, Donovan W. Hurlbut, Emma L. Sederholm, Alan A. Jewer | 1982-10-05 |
| 4254329 | Microfiche information retrieval and control system utilizing machine readable microfiche and visually readable microfiche | Phillip E. Gokey, Donovan W. Hurlbut, Emma L. Sederholm | 1981-03-03 |
| 4213040 | Digital microfiche and apparatus for accurately positioning the microfiche | Phillip E. Gokey, Donovan W. Hurlbut, Emma L. Sederholm | 1980-07-15 |