Brushing – scrubbing – and general cleaning – Implements – Mason's trowel or float
Patent
1979-01-22
1980-08-19
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Mason's trowel or float
B05C 1710
Patent
active
042176735
ABSTRACT:
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.
REFERENCES:
patent: 1566515 (1925-12-01), Auld
patent: 1691777 (1928-11-01), Mayes
patent: 2725740 (1955-12-01), Borgstrom
Hause Robert F.
National Gypsum Company
Roberts Edward L.
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