Growing community of inventors

Greenville, SC, United States of America

John M Koffskey

Average Co-Inventor Count = 2.00

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 = 8

John M KoffskeyThomas S Hartness (1 patent)John M KoffskeyJohn M Koffskey (1 patent)Thomas S HartnessThomas S Hartness (20 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hartness International, Inc. (1 from 68 patents)


1 patent:

1. 4830173 - Indexing apparatus for aligning articles in parallel rolls

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12/14/2025
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