Gate monitoring system

United States of America Patent

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Nov 29, 2011
Grant Date
Aug 6, 2009
app pub date
Oct 30, 2008
filing date
Oct 30, 2007

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Abstract

A monitoring system and method is provided for monitoring the lighting and the gate arm position at a railroad crossing.

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Patent Owner(s)

Patent Owner	Address
RAILWAY EQUIPMENT COMPANY INC	15400 MEDINA ROAD MINNEAPOLIS MN 55447

International Classification(s)

B61L:GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RA....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fox, David K	Wayzata, US	20	82
Gabel, Craig P	Wayzata, US	3	17
Honeck, Randall G	Maple Grove, US	18	73
Phelps, Greggory C	Plymouth, US	11	42

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Gate monitoring system

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United States of America Patent

12261375

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PATENT NO	8066230
APP PUB NO	20090194642A1
SERIAL NO	12261375
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 29, 2011	US,8066230,B2 US8066230B2	GRANTED PATENT AS SECOND PUBLICATION
August 06, 2009	US,20090194642,A1 US20090194642A1	FIRST PUBLISHED PATENT APPLICATION

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12261375

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