Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835568 | Removable process unit with charging device located relative to main assembly | David M. Newbury | 1989-05-30 |
| 4831407 | Process unit for an imaging apparatus | David M. Newbury, Geoffrey Watts | 1989-05-16 |
| 4827308 | Process unit for an imaging apparatus | David M. Newbury | 1989-05-02 |
| 4796057 | Toner cleaning apparatus | Philip R. Thompson, Geoffrey Watts | 1989-01-03 |