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Allegheny County, PA, United States of America

Joseph P Elm

USPTO Granted Patents = 2

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 38(Granted Patents)

Location History:

Allegheny County, PA (US) (1997)
Butler, PA (US) (1998)

Company Filing History:

Union Switch & Signal, Inc.

Years Active: 1997-1998

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5711497 - Cab signaling apparatus and method (1998-01-27),

2. 5676337 - Railway car retarder system (1997-10-14),

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