Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324603 | Hosiery repair kit | Janice L. Crandall | 1982-04-13 |
| 4258986 | Electric books and microfilm structures and the production thereof for use in electric books | — | 1981-03-31 |