Growing community of inventors

Deep River, Canada

Michel J Pettigrew

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 8

Michel J Pettigrew ↔ David Bruce Rhodes (1 patent)Michel J Pettigrew ↔ Victor A Mason (1 patent)Michel J Pettigrew ↔ Eric G Lux (1 patent)Michel J PettigrewMichel J Pettigrew (1 patent)David Bruce RhodesDavid Bruce Rhodes (6 patents)Victor A MasonVictor A Mason (4 patents)Eric G LuxEric G Lux (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hdrk Mining Research Limited (1 from 3 patents)


1 patent:

1. 5024090 - Loose rock detector

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as of
12/20/2025
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