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Conception Jct., MO, United States of America

Matthew W Holtman

Average Co-Inventor Count = 1.00

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 = 0

Matthew W HoltmanMatthew W Holtman (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gray Manufacturing Company, Inc. (1 from 35 patents)


1 patent:

1. 9394147 - Portable indpendent vehicle lift and support system

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12/18/2025
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