Growing community of inventors

Fort Worth, TX, United States of America

Charles M Campbell

Average Co-Inventor Count = 2.40

ph-index = 3

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 = 49

Charles M Campbell ↔ Robert P Falconer (2 patents)Charles M Campbell ↔ Arnold O Blaylock (2 patents)Charles M Campbell ↔ James E Chisholm (2 patents)Charles M CampbellCharles M Campbell (4 patents)Robert P FalconerRobert P Falconer (10 patents)Arnold O BlaylockArnold O Blaylock (3 patents)James E ChisholmJames E Chisholm (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Powers-fiat Corporation (2 from 4 patents)

2. Lectric Lites Company (2 from 3 patents)


4 patents:

1. D252943 - Wall unit for a bathtub

2. D252944 - Wall unit for a shower stall

3. 4114789 - Mounting apparatus for vehicle emergency warning signal

4. D242907 - Lens cover for emergency warning light

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idiyas.com
as of
12/17/2025
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