Title:
CONSTANT RESISTANCE EXERCISE DEVICE
United States Patent 3511500


Inventors:
Dunn, Michael J.
Application Number:
US3511500DA
Publication Date:
05/12/1970
Filing Date:
04/14/1967
Assignee:
Michael, Dunn J.
Primary Class:
Other Classes:
482/51, 482/118, 482/146
International Classes:
A63B22/16; (IPC1-7): A63B21/00
View Patent Images:
US Patent References:
2398122Teeter1946-04-09
2253996Exercising device1941-08-26
0735319N/A1903-08-04
0087465N/A1869-03-02
Foreign References:
FR1253188A1961-02-03
GB190205763A1903-04-08
GB190414092A1905-04-27
GB148953A1921-10-06