Growing community of inventors

Victorville, CA, United States of America

John Karns

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 = 28

John KarnsDennis L Grudt (1 patent)John KarnsSteve Purves (1 patent)John KarnsJohn Karns (1 patent)Dennis L GrudtDennis L Grudt (12 patents)Steve PurvesSteve Purves (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Protectconnect (1 from 33 patents)


1 patent:

1. 7718893 - Adjustable plaster ring cover

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12/31/2025
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