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Colgrove James R patents

Colgrove James R is listed as an inventor on 56 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorColgrove James R
Total patents56
First publicationApr 21, 2015
Latest publicationDec 9, 2025

Notable patents

Publications ranked by popularity score, then publication date.

Recent patents

Latest publications not already listed above.

Major assignees

Companies most often associated with this inventor's publications.

Top assignees for this inventor
AssigneePatents
Derrick Corp56

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
B07B1/4642
B07B1/461838
B07B2230/0127
B29K2075/0025
B07B1/4825