Hydrophilic bifocal contact lens

United States of America Patent

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Oct 29, 1985
Grant Date
N/A
app pub date
May 5, 1983
filing date
May 5, 1983

priority date (Note)
Expired

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Abstract

Hydrophilic bifocal corneal contact lenses of the alternating-vision type having a critical set of dimensions for the various elements which results in a surprising increase in the success rate of persons wearing these improved lenses.

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Patent Owner(s)

Patent Owner	Address
NOVARTIS AG	LICHTSTRASSE 35 BASEL 4056

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

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Loshaek, Samuel	Chicago, IL	15	593
Townsley, Malcolm G	Park Ridge, IL	1	21

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Hydrophilic bifocal contact lens

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06491638

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PATENT NO	4549794
SERIAL NO	06491638
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06491638

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