Title:
Instruction device
United States Patent 2468580
US Patent References:
/0802623.html
- - 0802623

/0932066.html
- - 0932066

/1258052.html
- - 1258052

Knee-supporter
- - 1388772

Golf-stroke-guiding device
- - 1414012


Inventors:
Weis, Anthony H.
Weis, Bertha M.
Publication Date:
04/26/1949
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Assignee:
Weis, Anthony H.
Weis, Bertha M.
Primary Class:
473/214
Other Classes:
2/255, D24/190
International Classes:
A63B69/00; A63B21/02; A63B69/36
US Patent References:
1635230Splint
Foreign References:
GB190310439A