Assignee
ROBERTSON JR ROY LEE
US·6 granted patents·3 pending applications·57 citations·filing 2003–2015
Top patents by PatentIndex Score
9 records- 0183US7959379B2Bolt anchorROBERTSON JR ROY LEE·Filed 2009·Granted Jun 14, 2011·13 cites·18 claims
- 0282US8282318B2Roof bolt anchor with camming elementROBERTSON JR ROY LEE·Filed 2011·Granted Oct 9, 2012·10 cites·19 claims
- 0380US7179020B2Mine roof bolt anchoring system and methodROBERTSON JR ROY LEE·Filed 2005·Granted Feb 20, 2007·15 cites·18 claims
- 0465US6986623B2Method and apparatus for anchoring a mine roof boltROBERTSON JR ROY LEE·Filed 2003·Granted Jan 17, 2006·16 cites·39 claims
- 0563US8164473B2Mine roof monitoring apparatusROBERTSON JR ROY LEE·Filed 2009·Granted Apr 24, 2012·3 cites·8 claims
- 0649US8215875B2Bolt anchorROBERTSON JR ROY LEE·Filed 2011·Granted Jul 10, 2012·0 cites·18 claims
- 0739US2011070048A1Crimped cable bolt head and assemblyROBERTSON JR ROY LEE·Filed 2010·Application pending·0 cites
- 0835US2015226248A1Torque Tension Breakaway NutROBERTSON JR ROY LEE·Filed 2015·Application pending·0 cites
- 0933US2016003375A1Versatile hanging system for roof support systemsROBERTSON JR ROY LEE·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →