Growing community of inventors

Des Plaines, IL, United States of America

Dennis John Kras

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 = 15

Dennis John KrasFrank John Chvojcsek (2 patents)Dennis John KrasDennis John Kras (2 patents)Frank John ChvojcsekFrank John Chvojcsek (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Stenograph Corporation (2 from 15 patents)


2 patents:

1. 7403375 - Adjustable LCD screen assembly for writing machine

2. D554922 - Stenographic tabletop

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