Protective overcoating
United States Patent 2391181

Inventors:
Minsk, Louis M.
Weyerts, Walter J.
Mcdowell, Wendell H.
Publication Date:
12/18/1945
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Assignee:
EASTMAN KODAK CO
Primary Class:
430/536
Other Classes:
430/538, 430/961
International Classes:
G03C1/76; H02K23/62