Growing community of inventors

Macomb, MI, United States of America

William Dwinal Ray

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 = 2

William Dwinal RayChristopher Michael Pangallo (1 patent)William Dwinal RayWilliam Dwinal Ray (1 patent)Christopher Michael PangalloChristopher Michael Pangallo (9 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Illinois Tool Works Inc. (1 from 7,587 patents)


1 patent:

1. 6447166 - Linear bushing

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12/16/2025
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