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Campbell Richard A patents

Campbell Richard A is listed as an inventor on 20 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorCampbell Richard A
Total patents20
First publicationOct 27, 2016
Latest publicationOct 12, 2021

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
Xerox Corp20

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
B41J3/40738
B41J11/00157
B41J3/5436
B41J29/3775
B41J2/014