Growing community of inventors

Columbia, SC, United States of America

Douglas W Harper

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 = 3

Douglas W Harper ↔ Louis R Dragner (1 patent)Douglas W Harper ↔ Nolan H Thompson (1 patent)Douglas W HarperDouglas W Harper (1 patent)Louis R DragnerLouis R Dragner (20 patents)Nolan H ThompsonNolan H Thompson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sequa Chemicals Inc. (1 from 34 patents)


1 patent:

1. 5795932 - Surface sizing composition

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12/14/2025
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