Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331579 | Aqueous correction fluids | — | 2001-12-18 |
| 5925693 | Aqueous correction fluids | — | 1999-07-20 |
| 5922400 | Correction fluid | Chiou C. Yau, Kim H. Ng | 1999-07-13 |
| 5872162 | Correction fluid for water-fast inks | Brian McHugh | 1999-02-16 |
| 5332599 | Aqueous correction fluid | — | 1994-07-26 |
| 5306755 | Correction fluid containing a butyl methacrylate copolymer ditridecyl phthalate, a non-halogenated solvent and an opacifying agent | Chiou C. Yau, Kim H. Ng, Thomas G. Decker, Deborah A. Mayer, Vliet Hulse +1 more | 1994-04-26 |
| 5199976 | Ozone-friendly correction fluid | Chiou C. Yau, Kim H. Ng | 1993-04-06 |