Title:
CLEANING APPARATUS FOR ELECTROSTATIC COPYING MACHINES
United States Patent 3526457
Inventors:
Dimond, John A.
Wharton, Armistead
Publication Date:
09/01/1970
Other Classes:
430/119.800, 15/256.510, 15/1.510
International Classes:
G03G21/00; A46B15/00; G03C1/10; A47L13/40