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Devon, United Kingdom

Robert Douglas Holmes

Average Co-Inventor Count = 2.00

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

Robert Douglas Holmes ↔ Christopher John Althorpe (1 patent)Robert Douglas Holmes ↔ Stephen Marshall-Rees (1 patent)Robert Douglas HolmesRobert Douglas Holmes (2 patents)Christopher John AlthorpeChristopher John Althorpe (18 patents)Stephen Marshall-ReesStephen Marshall-Rees (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gro-Group International Limited (2 from 4 patents)


2 patents:

1. D578031 - Clock face

2. D560945 - Mat

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1/9/2026
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