E06C 1/32

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9879480 Locking joint for collapsible ladders and other structuresDec 02, 15Jan 30, 18ATLAS DEVICES, LLC
9797194 Adjustable ladders, ladder components and related methodsSep 05, 14Oct 24, 17WING ENTERPRISES, INC.
9670726 Multi-purpose ladder with improved rungsApr 08, 16Jun 06, 17Not available
9580959 Foldable ladderDec 02, 14Feb 28, 17CORE DISTRIBUTION, INC.
9320955 Workout deviceOct 03, 12Apr 26, 16Not available
9222307 Locking joint for collapsible ladders and other structuresAug 13, 12Dec 29, 15ATLAS DEVICES, LLC
9151114 Telescopic ladder and locking mechanism thereofAug 30, 12Oct 06, 15Not available
9097063 Flip ladder with tray and methodMar 08, 13Aug 04, 15WERNER CO.
4974701 Step ladder constructionNov 27, 89Dec 04, 90LOUISVILLE LADDER CORP.
4947960 Connecting elementAug 30, 89Aug 14, 90Krausse-Werk GmbH & Co. KG
4524847 LadderFeb 03, 84Jun 25, 85Not available
4376470 Fiberglass ladderNov 07, 80Mar 15, 83Little Giant Industries, Inc., WEST ONE BANK, UTAH,
4371055 Method of manufacturing a fiberglass ladderNov 07, 80Feb 01, 83Little Giant Industries, Inc., WEST ONE BANK, UTAH,
4284171 Convertible ladderFeb 12, 79Aug 18, 81Not available
4182431 Combination extension and step ladder rungs thereforMar 13, 78Jan 08, 80Little Giant Industries, Inc., WEST ONE BANK, UTAH,