Growing community of inventors

Evansville, IN, United States of America

William D Graig

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

William D Graig ↔ Robert L Koch, Ii (1 patent)William D GraigWilliam D Graig (1 patent)Robert L Koch, IiRobert L Koch, Ii (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. George Koch Sons LLC (1 from 38 patents)


1 patent:

1. 3999306 - Anti-pollution drying oven

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12/13/2025
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