Lens molding apparatus and method

United States of America Patent

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Sep 12, 1989
Grant Date
N/A
app pub date
Dec 15, 1987
filing date
Dec 15, 1987

priority date (Note)
Expired

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Abstract

A mold and method is disclosed for the production of a lens that can be placed in or on the eye. The mold employs an inflexible ridge, preferably having a triangular cross section, on one of the mold parts. The ridge contacts the other mold part along an annular line.

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Patent Owner(s)

Patent Owner	Address
MINNESOTA MINING & MANUFACTURING COMPANY SAINT PAUL MINNESOTA A CORP OF DE	Not Provided

International Classification(s)

B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Boughten, Larry R	Hugo, MN	6	136
Ihn, Paul T	North Hudson, WI	2	189

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Lens molding apparatus and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07132962

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PATENT NO	4865779
SERIAL NO	07132962
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07132962

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