Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837210 | Fluoran derivatives and their use in recording materials | William Joshua Becker, Robert E. Miller, Kenneth D. Glanz | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837210 | Fluoran derivatives and their use in recording materials | William Joshua Becker, Robert E. Miller, Kenneth D. Glanz | 1989-06-06 |