Growing community of inventors

Lancaster, OH, United States of America

Patrick J Callahan

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 19

Patrick J CallahanRussell H Barnes (1 patent)Patrick J CallahanDaniel R Grieser (1 patent)Patrick J CallahanWilliam A Ivancic (1 patent)Patrick J CallahanPatrick J Callahan (1 patent)Russell H BarnesRussell H Barnes (8 patents)Daniel R GrieserDaniel R Grieser (2 patents)William A IvancicWilliam A Ivancic (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Electric Power Research Institute Incorporated (1 from 992 patents)


1 patent:

1. 5281826 - Video fluorescence monitor for determination of spill outlines

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