Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620247 | Diskette spring and diskette | Karl K. Hoffman, Roger K. Engel, Adam Wieczorek | 1986-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620247 | Diskette spring and diskette | Karl K. Hoffman, Roger K. Engel, Adam Wieczorek | 1986-10-28 |