United States Patent 3041167
Inventors:
Blakney, Robert M.
Bode, Donald E.
Neyhart, James H.
Potok, Eugene R.
Publication Date:
06/26/1962
Other Classes:
430/902, 430/64, 430/67
International Classes:
G03G15/22; G03G21/06; G03G15/00
US Patent References:
| 2968553 | Xerographic apparatus and method | | | |