Assignee
KIEFFER MITCHELL I
US·4 granted patents·1 pending application·54 citations·filing 2006–2012
Top patents by PatentIndex Score
5 records- 0192US8225906B2Extendable/retractable ladderKIEFFER MITCHELL I·Filed 2008·Granted Jul 24, 2012·18 cites·21 claims
- 0289US8387753B2Ergonomic extendable/retractable ladderKIEFFER MITCHELL I·Filed 2006·Granted Mar 5, 2013·23 cites·11 claims
- 0352US2012267197A1Extendable / retractable ladderKIEFFER MITCHELL I·Filed 2012·Application pending·0 cites
- 0443USD684278SCollapsible five legged stepstoolKIEFFER MITCHELL I·Filed 2012·Granted Jun 11, 2013·7 cites·1 claims
- 0540USD665927SMetal and wood step ladderKIEFFER MITCHELL I·Filed 2011·Granted Aug 21, 2012·6 cites·1 claims
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