Assignee
LIAO LEON
TW·3 granted patents·78 citations·filing 1984–1990
Technology mixA63B3
Top patents by PatentIndex Score
3 records- 0159US4903966ADevice for batting and striking practiceLIAO LEON·Filed 1989·Granted Feb 27, 1990·32 cites·8 claims
- 0252US5035424ADevice for batting and striking practiceLIAO LEON·Filed 1990·Granted Jul 30, 1991·25 cites·5 claims
- 0350US4508340ABatting aid with pivotally supported ballLIAO LEON·Filed 1984·Granted Apr 2, 1985·21 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →