Growing community of inventors

Avon Lake, OH, United States of America

John R Tark

Average Co-Inventor Count = 3.00

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 = 21

John R TarkRobert S Belser (1 patent)John R TarkCharles A Hall (1 patent)John R TarkJohn R Tark (1 patent)Robert S BelserRobert S Belser (2 patents)Charles A HallCharles A Hall (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nordson Corporation (1 from 1,729 patents)


1 patent:

1. 5480589 - Method and apparatus for producing closed cell foam

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