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United States of America Patent

PATENT NO 4744428
SERIAL NO

06912912

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A scale small enough and light enough to be carried in a person's pocket by virtue of the fact that most of its components are formed of lightweight molded plastic material. The fulcrum for the beam of the scale is provided by a pair of pointed, metal fulcrum posts adapted to cooperate with a pair of metal bearing inserts in the beam. A sliding weight which is movable along the beam has a metal insert to increase its weight and the metal insert is positioned in the plane of the fulcrum when the sliding weight is in its zero position.

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Patent Owner(s)

Patent OwnerAddress
DEERING PRECISION INSTRUMENTS CO5100 NORTH RAVENSWOOD CHICAGO IL 60640

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Knotter, David G 3522 E. Pasadena Ave., Phoenix, AZ 85018 5 111
Levin, Donald R 1196 Oxford Ct., Highland Park, IL 60035 2 18
Numbers, Jody L 7908 E. Oak, Scottsdale, AZ 85257 22 539

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