B66F 3/06

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9546499 Retractable column and method of formingMay 12, 14Jan 17, 17TOWER SOLUTIONS, LLC
9541161 Engagement chain type device for operating forward and backward movementDec 13, 11Jan 10, 17TSUBAKIMOTO CHAIN CO.
9482313 Engagement chain unitMar 15, 12Nov 01, 16TSUBAKIMOTO CHAIN CO.
9255630 Advancing/retracting actuation device with meshing chainDec 27, 11Feb 09, 16TSUBAKIMOTO CHAIN CO.
9243686 Meshing chain stopperDec 12, 11Jan 26, 16TSUBAKIMOTO CHAIN CO.
9222546 Interlocking chain unitApr 25, 14Dec 29, 15TSUBAKIMOTO CHAIN CO.
9217497 Push chain, linear motion driving device and patient tableAug 10, 12Dec 22, 15SIEMENS HEALTHCARE GMBH
8984975 Engagement chain unitMay 01, 12Mar 24, 15TSUBAKIMOTO CHAIN CO.
8967005 Engagement chain type device for forward and backward movement operationDec 27, 11Mar 03, 15TSUBAKIMOTO CHAIN CO.
7185880 T-post puller clawDec 05, 05Mar 06, 07Not available
5186437 Post puller including concrete base pulling meansFeb 22, 91Feb 16, 93Not available
5011117 Post pullerApr 16, 90Apr 30, 91Not available
4863184 Tractor-trailer landing gear mechanism and method of using sameAug 28, 87Sep 05, 89Not available