Tennis ball fabric
United States Patent 3065520
US Patent References:
/0376664.html
- - 0376664

Resilient fabric
- - 1999067

Tennis ball
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- - 2023672

Tennis ball cover
- - 2023673


Inventors:
Schmidt, Helen C.
Publication Date:
11/27/1962
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Assignee:
Schmidt, Helen C.
Primary Class:
28/160
Other Classes:
473/606, 139/391, 28/167, 139/396
International Classes:
D03D25/00
US Patent References:
2109223Woven fabric
2706514Manufacture of tennis balls