Title:
Locks
United States Patent 3070987
Inventors:
Baker, Arthur R.
Hennessy, Thomas F.
Publication Date:
01/01/1963
Export Citation:
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Assignee:
AMERICAN HARDWARE CORP
Primary Class:
70/383
Other Classes:
70/338, 70/340, 70/378, 70/493
International Classes:
E05B27/00; E05B27/04; E05B27/00
View Patent Images:
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US Patent References:
2818723Cylinder lock
2059129Lock
1796098Lock
1650568Shut-out cylinder
1650564Pin-tumbler cylinder lock