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Johnson Robert Keith patents

Johnson Robert Keith is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorJohnson Robert Keith
Total patents8
First publicationMay 21, 2015
Latest publicationAug 16, 2022

Notable patents

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Major assignees

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Top assignees for this inventor
AssigneePatents
Colder Prod Co8

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
F16L3/2376
Y10T137/90296
A61M39/10116
A61M39/1056
F16L21/086