Growing community of inventors

Hastings, NE, United States of America

Charles D Bufford

Average Co-Inventor Count = 2.40

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 = 7

Charles D BuffordJames M Gruidel (2 patents)Charles D BuffordThomas G Johnson (1 patent)Charles D BuffordCharles D Bufford (2 patents)James M GruidelJames M Gruidel (5 patents)Thomas G JohnsonThomas G Johnson (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Dutton-lainson Company (2 from 30 patents)


2 patents:

1. 5261132 - Patient chair construction with recliner back tilt control and footrest

2. 5182821 - Panel construction for bathing tub

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as of
12/16/2025
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