Title:
Photosculpture
Document Type and Number:
United States Patent 1382978
Inventors:
Hopkins, Marcus C.
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Publication Date:
06/28/1921
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Assignee:
Frank, Dyer L.
Primary Class:
Other Classes:
396/429, 430/644, 409/89, 434/82, 409/84, 33/1R
International Classes:
G03F7/00