Growing community of inventors

Munroe Falls, OH, United States of America

Robert L Umbarger

Average Co-Inventor Count = 5.00

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

Robert L Umbarger ↔ Hugh T Greenlee (1 patent)Robert L Umbarger ↔ Donald C McKinnon (1 patent)Robert L Umbarger ↔ Roy P Hess (1 patent)Robert L Umbarger ↔ James R Glasser (1 patent)Robert L UmbargerRobert L Umbarger (1 patent)Hugh T GreenleeHugh T Greenlee (16 patents)Donald C McKinnonDonald C McKinnon (12 patents)Roy P HessRoy P Hess (5 patents)James R GlasserJames R Glasser (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fox Valley Instrument Company (1 from 7 patents)


1 patent:

1. D264193 - Electronic test meter housing

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