Title:
Pin-tumbler cylinder lock
United States Patent 1650564
Inventors:
Wilhelm, Wolff
Publication Date:
11/22/1927
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Export Citation:
Assignee:
PENN HARDWARE COMPANY INC
Primary Class:
Other Classes:
70/337, 70/419, 70/378, 70/375, 70/DIG.062
International Classes:
E05B27/00