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Elkhart, IN, United States of America

Harry Thomas Stephenson

Average Co-Inventor Count = 1.00

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 = 3

Harry Thomas StephensonHarry Thomas Stephenson (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Environmental Test Systems, Inc. (1 from 10 patents)


1 patent:

1. 5801061 - Method for the colorimetric determination of analytes in the presence of

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