Assignee
COLUMBIA IND INC
7 granted patents·72 citations·filing 1977–1995
Top patents by PatentIndex Score
7 records- 0159US4328967ALightweight bowling ballCOLUMBIA IND INC·Filed 1979·Granted May 11, 1982·21 cites·7 claims
- 0248US4253665APolymer alloy bowling ballCOLUMBIA IND INC·Filed 1979·Granted Mar 3, 1981·10 cites·29 claims
- 0344US4522397AFilled shell bowling ballCOLUMBIA IND INC·Filed 1982·Granted Jun 11, 1985·12 cites·13 claims
- 0442US4309377APolymer alloy bowling ballCOLUMBIA IND INC·Filed 1980·Granted Jan 5, 1982·8 cites·14 claims
- 0537US4104352AMethod of making a bowling pinCOLUMBIA IND INC·Filed 1977·Granted Aug 1, 1978·7 cites·8 claims
- 0634US5584767ABowling ball finger insert having a wear indicatorCOLUMBIA IND INC·Filed 1995·Granted Dec 17, 1996·13 cites·20 claims
- 0712US5462491ABowling ball with weight blockCOLUMBIA IND INC·Filed 1994·Granted Oct 31, 1995·1 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →