Anchoring device
United States Patent 1798468

Inventors:
Hartzler, Melvin E.
Romilly, Edgar P.
Publication Date:
03/31/1931
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Assignee:
Hartzler, Melvin E.
Romilly, Edgar P.
Primary Class:
52/698
Other Classes:
404/15, 411/456, 52/713
International Classes:
E01F9/06; E01F9/04