Growing community of inventors

Cambridge, Canada

Frank H Johnson

Average Co-Inventor Count = 3.60

ph-index = 3

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 = 68

Frank H JohnsonGeorge L Schick (3 patents)Frank H JohnsonDonald J Gordon (3 patents)Frank H JohnsonJ David Smart (2 patents)Frank H JohnsonFrank H Johnson (3 patents)George L SchickGeorge L Schick (18 patents)Donald J GordonDonald J Gordon (5 patents)J David SmartJ David Smart (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Slater Steel Industries Limited (3 from 15 patents)


3 patents:

1. 4341393 - Hand cart

2. D261125 - Hand cart

3. 4281843 - Tool carrier

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idiyas.com
as of
12/19/2025
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