Growing community of inventors

Highlandville, MO, United States of America

Roy M Johnson

Average Co-Inventor Count = 4.80

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 = 23

Roy M Johnson ↔ Jerome J Hartmann (2 patents)Roy M Johnson ↔ Charles A Haas (2 patents)Roy M Johnson ↔ John E Schenken (2 patents)Roy M Johnson ↔ C Austin Greider (1 patent)Roy M Johnson ↔ Alvadore J Osborn (1 patent)Roy M JohnsonRoy M Johnson (2 patents)Jerome J HartmannJerome J Hartmann (37 patents)Charles A HaasCharles A Haas (23 patents)John E SchenkenJohn E Schenken (18 patents)C Austin GreiderC Austin Greider (6 patents)Alvadore J OsbornAlvadore J Osborn (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cobbs Manufacturing Company (2 from 55 patents)


2 patents:

1. 5418518 - Animal warning device

2. D353117 - Warning signal for diverting animals away from moving vehicles

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