Growing community of inventors

Guelph, Canada

John L Perrins

Average Co-Inventor Count = 3.00

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 = 4

John L Perrins ↔ Ronald C Aufderheide (1 patent)John L Perrins ↔ David M Gilson (1 patent)John L PerrinsJohn L Perrins (1 patent)Ronald C AufderheideRonald C Aufderheide (11 patents)David M GilsonDavid M Gilson (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

1 patent:

1. D397702 - Riser sleeve

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as of
12/18/2025
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