Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11325359 | Partially perforated assembly | George Roland Hill | 2022-05-10 |
| 9469081 | Open perforated material | George Roland Hill | 2016-10-18 |
| 8394477 | Vision control panel assembly with a contrasting colored liner | G. Roland Hill | 2013-03-12 |
| 6267052 | Printing with differential receptivity | George Roland Hill | 2001-07-31 |