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http://www.google.ca/patents/US2959086?utm_source=gb-gplus-share
Patent US2959086 - WOOD SCREW HAVING ENLARGED RADIAL PIPS TO
WOOD SCREW HAVING ENLARGED RADIAL PIPS TO
Carl H. Geriach et al
› Overview
Abstract
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Description
Claims
Patent number
: 2959086
Filing date
: 19 Feb 1958
Issue date
: 8 Nov 1960
Inventors
:
Carl H. Geriach
,
Carl H. Geriach
Current U.S. Classification
:
411/416
View patent at USPTO
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Drawings
Drawings
Drawings
