Feedback circuit for a display sign and method

United States of America Patent

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Oct 13, 2009
Grant Date
May 17, 2007
app pub date
Nov 15, 2005
filing date
Nov 15, 2005

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Abstract

A feedback circuit for a display sign has a number of lights. A resistor is coupled in series with the lights. A voltage measuring circuit is coupled to the resistor.

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Patent Owner(s)

Patent Owner	Address
SKYLINE PRODUCTS INC	2903 DELTA DRIVE COLORADO SPRINGS CO 80910

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G08B:SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; A....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bush, Charles Hunter	Colorado Springs , US	2	1
Lindsay, Charles Lee	Monument , US	3	2

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Feedback circuit for a display sign and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11274647

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PATENT NO	7602305
APP PUB NO	20070109141A1
SERIAL NO	11274647
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 13, 2009	US,7602305,B2 US7602305B2	GRANTED PATENT AS SECOND PUBLICATION
May 17, 2007	US,20070109141,A1 US20070109141A1	FIRST PUBLISHED PATENT APPLICATION

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11274647

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