Composition rim for ophthalmic mountings
United States Patent 1637029

Inventors:
Schumacher, Elmer L.
Publication Date:
07/26/1927
View Patent Images:
Download PDF 1637029 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
AMERICAN OPTICAL CORP
Primary Class:
351/154
International Classes:
B29D12/02; B29D12/00