Title:
EXERCISE ESCALATOR
United States Patent 3497215


Inventors:
Harrison, Walter K.
Talbot, Samuel A.
Application Number:
US3497215DA
Publication Date:
02/24/1970
Filing Date:
04/03/1967
Assignee:
Univ, Johns Hopkins
Belle, Otto Talbot
Primary Class:
Other Classes:
482/8
International Classes:
A63B22/04; A63B21/00; A63B21/008; A63B24/00; (IPC1-7): A63B23/06
View Patent Images:
US Patent References:
2399915Exercising apparatus1946-05-07
2042764Exerciser1936-06-02
1016729N/A1912-02-06