Exercising apparatus comprising an elongate base having stationary and longitudinally movable support units at the ends thereof
United States Patent 3130968
Inventors:
Feen, Michael DE. A.
Publication Date:
04/28/1964
Assignee:
Feen, Michael DE. A.
Other Classes:
482/135, 297/344.180, 297/344.130
International Classes:
A63B23/00; A63B23/02; A63B23/12; A63B23/035