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PATENT /PUB No. Country Patent Title Patent Owner Filing Date Issue/Pub Date Status
D777351 US Ladder May 4, 2015 Jan 24, 2017 Granted
D683479 US Ladder step Oct 4, 2012 May 28, 2013 Granted
D555807 US Ladder support Aug 10, 2006 Nov 20, 2007 Granted
D677799 US Ladder Jun 29, 2011 Mar 12, 2013 Granted
D811620 US Ladder step Oct 3, 2016 Feb 27, 2018 Granted
D642283 US Platform Jul 20, 2006 Jul 26, 2011 Granted
D462453 US Ladder step Dec 7, 2001 Sep 3, 2002 Granted
8104580 US Locking mechanism for a ladder May 29, 2006 Jan 31, 2012 Granted
D692163 US Ladder Oct 4, 2012 Oct 22, 2013 Granted
D431081 US Ladder support Nov 15, 1999 Sep 19, 2000 Granted
D683478 US Ladder bracket Oct 4, 2012 May 28, 2013 Granted
*Note: Documents with disabled checkboxes are ancillary ones, so these cannot be added to portfolio.