Growing community of inventors

Naperville, IL, United States of America

David J Lewis

Average Co-Inventor Count = 4.00

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 = 137

David J Lewis ↔ Michael E Troy (1 patent)David J Lewis ↔ Philip Varghese (1 patent)David J Lewis ↔ Michael R Cable (1 patent)David J LewisDavid J Lewis (1 patent)Michael E TroyMichael E Troy (9 patents)Philip VarghesePhilip Varghese (2 patents)Michael R CableMichael R Cable (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Midtronics, Inc. (1 from 181 patents)


1 patent:

1. 6225808 - Test counter for electronic battery tester

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12/17/2025
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