Method and apparatus for making optical devices

United States of America Patent

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Nov 22, 1988
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N/A
app pub date
Jun 1, 1987
filing date
Dec 19, 1985

priority date (Note)
Expired

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Abstract

An apparatus and method is described which is useful in manufacturing molded optical devices. The apparatus and method provide automatic alignment of the mold elements so that cylinder and prism free lenses are provided.

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Patent Owner(s)

Patent Owner	Address
MINNESOTA MINING AND MANUFACTURING COMPANY	ST PAUL MINNESOTA 55133-3427

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
Hwang, Kirk K S	Woodbury, MN	1	77

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Method and apparatus for making optical devices

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07057015

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PATENT NO	4786444
SERIAL NO	07057015
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07057015

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