Growing community of inventors

Los Angeles, CA, United States of America

Frederick W John

Average Co-Inventor Count = 5.83

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 = 17

Frederick W JohnDavid R Fisher (2 patents)Frederick W JohnRobert J Knauff (1 patent)Frederick W JohnJames R Powers (1 patent)Frederick W JohnKenneth D Johnson (1 patent)Frederick W JohnDarrell B Zipp (1 patent)Frederick W JohnJames M Doyle (1 patent)Frederick W JohnDon C Willis (1 patent)Frederick W JohnLonnie D Cooper (1 patent)Frederick W JohnDennis C Rich (1 patent)Frederick W JohnFrederick W John (2 patents)David R FisherDavid R Fisher (10 patents)Robert J KnauffRobert J Knauff (8 patents)James R PowersJames R Powers (3 patents)Kenneth D JohnsonKenneth D Johnson (1 patent)Darrell B ZippDarrell B Zipp (1 patent)James M DoyleJames M Doyle (1 patent)Don C WillisDon C Willis (1 patent)Lonnie D CooperLonnie D Cooper (1 patent)Dennis C RichDennis C Rich (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Revell, Incorporated (2 from 2 patents)


2 patents:

1. 4274225 - Model with two-pole motor actuated siren and flashing lights

2. 4034491 - Model blimp

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as of
12/20/2025
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