Title:
Combination lock
Document Type and Number:
United States Patent 2540172

Inventors:
Nieratka, Steave S.
Publication Date:
02/06/1951
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Referenced by:
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Assignee:
Nieratka, Steave S.
Primary Class:
70/304
Other Classes:
70/133
International Classes:
E05B37/12; E05B37/00
US Patent References:
RE16833
0026569
0530551
0648226
1032631
1062513
1189155
1218084
1566829Combination lock
2319931Automobile wheel locking assembly


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