PRO-TECH
Filed: March 27, 1964
INSTRUMENTS FOR MEASURING, MONITORING, INDICATING, RECORDING, COMPUTING, AND CONTROLLING PHYSICAL, CHEMICAL, AND BIOLOGICAL…
Owned by: PRO-TECH, INC.
Serial Number: 72189805
PRO-LECTRO-TECH
Filed: March 16, 1973
LIQUID SAMPLERS
Owned by: PRO-TECH, INC.
Serial Number: 72451699
PRO-RATA-TECH
Filed: March 19, 1973
LIQUID SAMPLERS
Owned by: PRO-TECH, INC.
Serial Number: 72451873
PRO-DUO-TECH
Filed: March 19, 1973
LIQUID SAMPLERS
Owned by: PRO-TECH, INC.
Serial Number: 72451874
PRO-TECH
Filed: March 19, 1973
LIQUID SAMPLERS
Owned by: PRO-TECH, INC.
Serial Number: 72451875
PRO-PORTA-TECH
Filed: January 2, 1974
LIQUID SAMPLERS
Owned by: PRO-TECH, INC.
Serial Number: 73009874
PRO-MULTI-TECH
Filed: October 7, 1974
LIQUID SAMPLERS
Owned by: PRO-TECH, INC.
Serial Number: 73033965
PRO-BUBBLE-TECH
Filed: December 10, 1976
SENSING PROBES FOR USE IN FLOW MONITORING
Owned by: PRO-TECH, INC.
Serial Number: 73109270
DISCCUSHION
Filed: March 29, 1978
PHONOGRAPH RECORD SEPARATION PADS
Owned by: PRO-TECH, INC.
Serial Number: 73164164
KINOX
Filed: October 30, 1984
a Programmable Heating and Cooling Thermostat for Energy Management
Owned by: PRO-TECH, INC.
Serial Number: 73506278
PRO-TECH THEM CHICKENS
Filed: February 10, 1986
TEE SHIRTS
Owned by: PRO-TECH, INC.
Serial Number: 73582253
KEEP 'EM COZY
Filed: June 22, 1989
CUSTOM DESIGN OF LIVESTOCK ENCLOSURE VENTILATION SYSTEMS TO THE ORDER AND SPECIFICATION OF OTHERS
Owned by: PRO-TECH, INC.
Serial Number: 73808415
STRUT
electronic control device for simultaneously releasing the sidewall ventilation curtains in animal rearing enclosure
Owned by: PRO-TECH, INC.
Serial Number: 75662623
