Title:
Multiple copy printing method and apparatus
United States Patent 3368894
Inventors:
Josef, Matkan
Wright, Robert J.
Publication Date:
02/13/1968
Assignee:
Australia, Res Lab
Other Classes:
430/902, 399/239, 430/31, 101/131
International Classes:
G03G15/10; G03G15/22; G03G15/00
US Patent References:
| 3271146 | Xeroprinting with photoconductors exhibiting charge-storage asymmetry | | | |