Title:
Support for raisedly standing and stepping
United States Patent 1843493

Inventors:
Oscar, Pfeifenbring
Publication Date:
02/02/1932
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Assignee:
Oscar, Pfeifenbring
Primary Class:
36/7.800
Other Classes:
623/28, 623/29
International Classes:
A63B25/06; A63B25/00