Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353169 | Contact duplication of magnetically recorded information without the use of a transfer field | Frederick J. Jeffers | 1994-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353169 | Contact duplication of magnetically recorded information without the use of a transfer field | Frederick J. Jeffers | 1994-10-04 |