Individual holder
KERR JAMES F
US·4 granted patents·29 citations·filing 1994–2012
Individually held — no corporate assignee on record.
Technology mixE06C4
Top patents by PatentIndex Score
4 records- 0162US8622171B2Dual track ladder with brake mechanism that is automatically applied to the upper tracks to hold the ladder in place during useKERR JAMES F·Filed 2010·Granted Jan 7, 2014·2 cites·20 claims
- 0261US9051779B2Dual track ladder for use with mobile shelvingKERR JAMES F·Filed 2012·Granted Jun 9, 2015·2 cites·7 claims
- 0358US8882067B2Guide track system and components thereofKERR JAMES F·Filed 2011·Granted Nov 11, 2014·1 cites·19 claims
- 0456US5480002ADual track mounted ladder systemKERR JAMES F·Filed 1994·Granted Jan 2, 1996·24 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →