Title:
Tennis racket
United States Patent 2456023
Inventors:
Lee, Rosenbalm Isaac
Publication Date:
12/14/1948
Export Citation:
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Assignee:
Lee, Rosenbalm Isaac
Primary Class:
473/541
Other Classes:
473/534
International Classes:
A63B49/00; A63B49/02; A63B49/08; A63B49/12
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US Patent References:
1912942Tennis racket
1476906Tennis racket with variable tension of cords
Foreign References:
GB191404305A
GB228650A