Lithographic printing process
United States Patent 2719481

Inventors:
Laury, Botthof Charles
Schultz, Herman J.
Freedman, Olin E.
Publication Date:
10/04/1955
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Assignee:
DIRECT IMAGE OFFSET CORP
Primary Class:
101/466
Other Classes:
101/32
International Classes:
B41C1/10; B41N1/08; B41N1/00
US Patent References:
2276594Process of preparing printing members and product thereof
2302669Printing plate
2311047Lithographic plate and process of making the same
2344510Planographic plate
2503679
2516222Graining of lithographic and other printing plates
Foreign References:
GB189717647A
DE204517C