Multifocal contact lens with aspheric surface

United States of America Patent

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Oct 26, 2004
Grant Date
Mar 28, 2002
app pub date
Jun 14, 2001
filing date
Dec 16, 1998

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Abstract

A contact lens is disclosed having a front surface and a back surface. The lens contains a continuously varying aspheric surface on one or more of these surfaces.

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Patent Owner(s)

Patent Owner	Address
ALCON INC	FRIBOURG FREIBURG FRIBOURG

International Classification(s)

G02C:SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY ....

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Inventor Name	Address	# of filed Patents	Total Citations
Chapoy, L Lawrence	Barrington Hills, IL	21	602
Lett, John B W	San Diego, CA	2	626
Rovani, William	Mount Prospect, IL	2	419

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Multifocal contact lens with aspheric surface

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09881548

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PATENT NO	6808262
APP PUB NO	20020036748A1
SERIAL NO	09881548
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 26, 2004	US,6808262,B2 US6808262B2	GRANTED PATENT AS SECOND PUBLICATION
March 28, 2002	US,20020036748,A1 US20020036748A1	FIRST PUBLISHED PATENT APPLICATION

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09881548

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