E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
207/87
E04F 21/06 (2006.01) B05C 17/10 (2006.01) B44D 3/10 (2006.01)
Patent
CA 1118722
BROAD KNIFE FOR DRYWALL CORNERS ABSTRACT OF THE DISCLOSURE A broad knife for applying joint compound to one side of an inside corner, having compound previously applied to the other side, the blade of which knife has a small protuberance adjacent the side edge of the blade, on the top face, adapted to ride along the surface of the previously applied joint compound on the other corner side.
334324
National Gypsum Company
Osler Hoskin & Harcourt Llp
LandOfFree
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