Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606846 | Bag sealing | Garry R. Coats | 1997-03-04 |
| 5534320 | ID cards for impact and non-impact printers | — | 1996-07-09 |
| 5413532 | ID cards for impact and non-impact printers | — | 1995-05-09 |
| 5330959 | Enhanced speed carbonless paper | Rodney E. Williams | 1994-07-19 |
| 5304587 | Water resistant security ink composition | Thomas Oswald | 1994-04-19 |
| 5033773 | Security for images formed by impact based systems | Robert W. Brunea | 1991-07-23 |
| 4936607 | Security for images formed by impact based systems | Robert W. Brunea | 1990-06-26 |
| 4639271 | Chromogenic mixtures | Robert W. Brunea | 1987-01-27 |