Individual holder
HAMILTON WILLIAM R
US·2 granted patents·2 pending applications·41 citations·filing 1990–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0183US5028325AWater rakeHAMILTON WILLIAM R·Filed 1990·Granted Jul 2, 1991·38 cites·16 claims
- 0249US8783137B2Apparatus for spinning drill pipeHAMILTON WILLIAM R·Filed 2006·Granted Jul 22, 2014·3 cites·12 claims
- 0342US2005274255A1Adjustable ring positionerHAMILTON WILLIAM R·Filed 2004·Application pending·0 cites
- 0436US2008245522A1Apparatus for manipulating power tongsHAMILTON WILLIAM R·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →