Growing community of inventors

Hagerstown, MD, United States of America

Philip Portner

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 = 10

Philip PortnerJosef Grewe (1 patent)Philip PortnerPhilip Portner (1 patent)Josef GreweJosef Grewe (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. C. M. Offray & Son, Inc. (1 from 8 patents)


1 patent:

1. 4272564 - Flexible reflex-reflective article having undulant surface and method of

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