Individual holder
DURFEE LAVERNE R
US·5 granted patents·2 pending applications·57 citations·filing 2006–2013
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
7 records- 0190US8147174B2Spade bitDURFEE LAVERNE R·Filed 2011·Granted Apr 3, 2012·10 cites·12 claims
- 0287US8764355B2Step drill bitDURFEE LAVERNE R·Filed 2012·Granted Jul 1, 2014·11 cites·21 claims
- 0387US8070398B2Multi-blade self feed bitDURFEE LAVERNE R·Filed 2008·Granted Dec 6, 2011·15 cites·31 claims
- 0483US8070397B2Self feed bitDURFEE LAVERNE R·Filed 2008·Granted Dec 6, 2011·13 cites·10 claims
- 0582US9156094B2Step drill for woodDURFEE LAVERNE R·Filed 2013·Granted Oct 13, 2015·8 cites·22 claims
- 0645US2008101879A1Spade-type bitDURFEE LAVERNE R·Filed 2006·Application pending·0 cites
- 0741US2008166194A1Drill bitDURFEE LAVERNE 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 →