E - Fixed Constructions – 06 – C
Patent
E - Fixed Constructions
06
C
E06C 1/24 (2006.01) E06C 1/393 (2006.01) E06C 7/08 (2006.01)
Patent
CA 2466777
A step ladder includes rigidified left and right legs and step units between the legs, Each rigidified leg includes a web interconnecting first and second tubular members. Each step unit includes a hollow step including an internal rigidifying partition wall and step mounts for coupling the hollow step to the legs.
Cosco Management Inc.
Smart & Biggar
LandOfFree
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