Growing community of inventors

Williamsville, NY, United States of America

David M Ryvin

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 = 96

David M RyvinChristopher J Lundgren (1 patent)David M RyvinDavid M Ryvin (1 patent)Christopher J LundgrenChristopher J Lundgren (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Jackson Products, Inc. (1 from 27 patents)


1 patent:

1. 6341382 - One-piece adjustable headgear support

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