Assignee
WILLIAMSON KIRK E
3 granted patents·205 citations·filing 1981–1987
Top patents by PatentIndex Score
3 records- 0192US4545441ADrill bits with polycrystalline diamond cutting elements mounted on serrated supports pressed in drill headWILLIAMSON KIRK E·Filed 1984·Granted Oct 8, 1985·136 cites·27 claims
- 0273US4429755ADrill with polycrystalline diamond drill blanks for soft, medium-hard and hard formationsWILLIAMSON KIRK E·Filed 1981·Granted Feb 7, 1984·45 cites·31 claims
- 0358US4838700AAssemblies for a worm pressWILLIAMSON KIRK E·Filed 1987·Granted Jun 13, 1989·24 cites·15 claims
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