Speaker assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4424881
SERIAL NO

06349628

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A bi-directional speaker unit is provided by a wedge shaped member having intersecting walls with spaced parallel angled louvers. The unit is coupled to a base member through a snap on means permitting other type units to be used with the same base member.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
NOTIFIER COMPANY A CORP OF CONNECTICUT3700 NORTH 56TH STREET LINCOLN NE 68504

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hattori, Kenneth M Bensenville, IL 13 307

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