Growing community of inventors

Bradfield, United Kingdom

Norman C Welsh

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 = 69

Norman C Welsh ↔ Charles Christopher Packham (1 patent)Norman C Welsh ↔ Oliver David Oglesby (1 patent)Norman C Welsh ↔ Hugh W Baker (1 patent)Norman C WelshNorman C Welsh (2 patents)Charles Christopher PackhamCharles Christopher Packham (10 patents)Oliver David OglesbyOliver David Oglesby (9 patents)Hugh W BakerHugh W Baker (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Gillette Company (2 from 2,667 patents)


2 patents:

1. 4964214 - Flexible safety razors

2. 4362174 - Toothbrushes

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1/16/2026
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