Title:
PICK-PROOF LOCKS
Document Type and Number:
United States Patent 3420077
Inventors:
Drazin, George E.
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Sponsored by: Flash of Genius |
Publication Date:
01/07/1969
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Referenced by:
Export Citation:
Assignee:
George, Drazin E.
Primary Class:
Other Classes:
70/413, 70/360, 70/356, 70/491
International Classes:
E05B27/08; E05B27/00; E05B19/26; E05B47/00; E05B33/00
US Patent References: