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Callahan John patents

Callahan John is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorCallahan John
Total patents6
First publicationApr 7, 2015
Latest publicationJun 26, 2018

Notable patents

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Recent patents

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Major assignees

Companies most often associated with this inventor's publications.

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
H04N21/472024
H04N21/8123
H04N7/1733
H04N21/843
H04N21/4723