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http://www.google.ca/patents/US1686505?utm_source=gb-gplus-share
Patent US1686505 - STASTNY
STASTNY
G. I. STASTNY et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 1686505
Filing date
: 5 Feb 1927
Issue date
: 2 Oct 1928
Inventors
:
G. I. STASTNY
,
G. I. STASTNY
Current U.S. Classification
:
137/115.19
;
418/138
;
418/151
View patent at USPTO
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