Growing community of inventors

Ypsilanti, MI, United States of America

Mark C Holtman

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 = 15

Mark C HoltmanHarold M Harper (1 patent)Mark C HoltmanMark C Holtman (1 patent)Harold M HarperHarold M Harper (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Tecumseh Products Company (1 from 552 patents)


1 patent:

1. 4888962 - Suction accumulator strap

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12/22/2025
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