Individual holder
RIKKER LESLIE D
US·4 granted patents·34 citations·filing 1984–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0178US4947923AMethod and apparatus for evaporative pattern castingRIKKER LESLIE D·Filed 1988·Granted Aug 14, 1990·17 cites·95 claims
- 0243US5062470AMethod and apparatus for treating gaseous material from evaporative pattern castingRIKKER LESLIE D·Filed 1990·Granted Nov 5, 1991·11 cites·10 claims
- 0338US4651798AMolding medium, method for making same and evaporative pattern casting processRIKKER LESLIE D·Filed 1984·Granted Mar 24, 1987·6 cites·10 claims
- 0427US5012857AMolding medium, method for making same and evaporative pattern casting processRIKKER LESLIE D·Filed 1986·Granted May 7, 1991·0 cites·36 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →