Title:
Automatic jump rope
United States Patent 2911063
US Patent References:
Spring motor
- - 2063799

Reverse wound spring motor
- - 2833534


Inventors:
Wolfson, Byron L.
Publication Date:
11/03/1959
View Patent Images:
Download PDF 2911063 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Wolfson, Byron L.
Primary Class:
185/37
Other Classes:
482/82
International Classes:
A63B5/20; A63B5/00
Foreign References:
FR408300A