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Develco Trademarks
DEVELCO
Magnetometers and Bore Hole Measurement Sensors for Use in Oil Well Drilling Industry
Cancelled
·
March 15, 1983
·
73417337
·
DEVELCO
FOOD PUMPS
Expired
·
December 23, 1966
·
72261364
·
DEVELCON
ELECTRONIC DATA COMMUNICATION APPARATUS FOR THE TRANSMISSION, RECEPTION AND SWITCHING OF DATA
Cancelled
·
August 4, 1989
·
73817105
·
DEVELCON
Electronic Data Communication Apparatus for the Transmission, Reception and Switching of Data
Cancelled
·
March 3, 1982
·
73352709
·
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