Method and apparatus for developing electrostatic images with electroscopic powder
United States Patent 2573881
Inventors:
Walkup, Lewis E.
Fauser, Donald L.
Publication Date:
11/06/1951
Assignee:
BATTELLE DEVELOPMENT CORP
Other Classes:
427/469, 430/120.100, 427/197, 101/216, 250/325, 101/DIG.037, 399/166, 399/270, 430/31, 427/482, 15/1.510, 101/489, 430/103
International Classes:
G03G15/08; G03G15/30; G03G15/00