Title:
GAME BALL
United States Patent 3428315
US Patent References:
Bowling ball structures and their manufacture
- - 3206201


Inventors:
Haines, Robert C.
Publication Date:
02/18/1969
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Assignee:
DUNLOP CO LTD
Primary Class:
473/606
Other Classes:
525/139, 524/908, 521/54, 264/331.130, 521/136, 525/140, 524/575.500
International Classes:
B29D22/04; B29D22/00; A63B39/00
Foreign References:
CA579632A




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