Title:
PARAPLEGIC AID
United States Patent 3421529


Inventors:
Vestal, Richard A.
Application Number:
US3421529DA
Publication Date:
01/14/1969
Filing Date:
03/08/1967
Assignee:
Richard, Vestal A.
Primary Class:
International Classes:
A61H3/00; (IPC1-7): A61H3/04; A61H3/06
View Patent Images:
US Patent References:
2817387Walking frame1957-12-24
2708473Invalid walker1955-05-17