Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300052 | Apparatus for exposing a series of plates to radiation | Clive S. Thawley, Kenneth Z. Graham | 1981-11-10 |
| 4259002 | Plate processing apparatus | Clive S. Thawley, Kenneth Z. Graham | 1981-03-31 |
| 4215928 | Apparatus for treating the surfaces of cylindrical objects in a number of sequential steps | Barry J. Bayley, Kenneth Z. Graham, Clive S. Thawley | 1980-08-05 |