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River Forest, IL, United States of America

Ralph A Leonard

USPTO Granted Patents = 3

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 50(Granted Patents)

Company Filing History:

Arch Development Corporation

Eagle-Picher Industries, Inc.

The United States of America as Represented by the United States

Years Active: 1980-1993

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5254076 - Centrifugal pyrocontactor (1993-10-19),

2. H000914 - Apparatus for supporting contactors used in extracting nuclear materials (1991-05-06),

3. 4221824 - Method for enameling ferrous objects (1980-09-09),

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