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http://www.google.com.au/patents/US2130687?utm_source=gb-gplus-share
Patent US2130687 - AUTOMATIC VALVE
AUTOMATIC VALVE
Ralph H. Lachmund et al
› Overview
Abstract
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Description
Claims
Patent number
: 2130687
Filing date
: 22 Oct 1934
Issue date
: 20 Sep 1938
Inventors
:
Ralph H. Lachmund
,
Ralph H. Lachmund
Current U.S. Classification
:
141/219
;
141/220
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Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US5131441
20 Mar 1990
21 Jul 1992
Saber Equipment Corporation
Fluid dispensing system
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