Title:
RESISTANCE EXERCISER FOR WRISTS,ARMS,AND UPPER BODY
United States Patent 3428311
Inventors:
Mitchell, Thoral J.
Publication Date:
02/18/1969
Assignee:
Thoral, Mitchell J.
Other Classes:
D21/677, 482/130, 74/523
International Classes:
A63B21/015; A63B23/12; A63B21/012; A63B23/035; A63B23/00