Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910183 | Fluoran derivatives and their use in recording materials | William Joshua Becker, Robert E. Miller, Kenneth D. Glanz | 1990-03-20 |
| 4837210 | Fluoran derivatives and their use in recording materials | William Joshua Becker, Robert E. Miller, Kenneth D. Glanz | 1989-06-06 |