Growing community of inventors

Richmond, IN, United States of America

Jeffrey M Sylvia

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 52

Jeffrey M SylviaWilliam F Van Ostrand (2 patents)Jeffrey M SylviaJeffrey M Sylvia (2 patents)William F Van OstrandWilliam F Van Ostrand (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Laboratory Equipment, Corp. (2 from 9 patents)


2 patents:

1. 4593357 - Motor vehicle performance monitoring system

2. 4581708 - Motor vehicle performance monitoring system

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as of
12/15/2025
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