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http://www.google.com/patents/US2684542?utm_source=gb-gplus-share
Patent US2684542 - DEFLECTOR AND SUPPORT FOR ENDLESS
DEFLECTOR AND SUPPORT FOR ENDLESS
Robert D. Larson et al
› Overview
Abstract
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Description
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Patent number
: 2684542
Filing date
: Jan 20, 1950
Issue date
: Jul 27, 1954
Inventors
:
Robert D. Larson
,
Robert D. Larson
Current U.S. Classification
:
37/352
;
37/349
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US4626032
Jun 18, 1984
Dec 2, 1986
Rock ditcher
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