Weight lifting construction
United States Patent 3022073
US Patent References:
/0298608.html
- - 0298608

/1270034.html
- - 1270034

Dumbbell
- - 1991520

Bar bell
- - 2447218

Spring roller-type exerciser
- - 2821394


Inventors:
Miller, Raphael W.
Publication Date:
02/20/1962
View Patent Images:
Assignee:
Miller, Raphael W.
Primary Class:
Other Classes:
D21/681, 403/355
International Classes:
A63B21/072; A63B21/06
Foreign References:
GB189018336A