Growing community of inventors

Madison, WI, United States of America

John L Schrag

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 = 28

John L Schrag ↔ Frank J Matusik (1 patent)John L Schrag ↔ Donald W Nelson (1 patent)John L Schrag ↔ J Vincent Fitzgerald (1 patent)John L SchragJohn L Schrag (1 patent)Frank J MatusikFrank J Matusik (7 patents)Donald W NelsonDonald W Nelson (5 patents)J Vincent FitzgeraldJ Vincent Fitzgerald (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. National Metal and Refining Company, Ltd. (1 from 7 patents)


1 patent:

1. 4754640 - Apparatus and method for determining the viscoelasticity of liquids

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12/12/2025
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