DIRECTORITE
Filed: April 9, 1943
LITHOGRAPHIC PLATE HAVING A PAPER BACKING AND AN ALUMINUM FOIL LITHOGRAPHIC SURFACE USED FOR DIRECT IMAGE WORK
Owned by: Davidson Manufacturing Corporation
Serial Number: 71459729
DAVIDSON
Filed: August 30, 1947
GUM ARABIC SOLUTION USED TO PROTECT LITHOGRAPHIC PLATES WHEN NOT IN USE, COUNTER-ETCH USED IN REMOVING OXIDES AND FOREIGN…
Owned by: Davidson Manufacturing Corporation
Serial Number: 71532914
DAVIDSON
Filed: August 30, 1947
DRAWING INK; OPAQUE, A GRAPHIC MATERIAL IN THE NATURE OF AN INK FOR BLOCKING OUT UNDESIRED PORTIONS OF A PHOTOGRAPHIC NEGATIVE…
Owned by: Davidson Manufacturing Corporation
Serial Number: 71532915
DAVIDSON
Filed: August 30, 1947
METAL PLATES USED IN LITHOGRAPHY, AND BLANKETS FOR LITHOGRAPHIC PRINTING PRESSES
Owned by: Davidson Manufacturing Corporation
Serial Number: 71532916
