Louisville, KY, US
Information
Patent Grant
Extundo Incorporated
Clifford L. Johns
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Tubemaster, Inc.
Clifford L. Johns
D25 - Building units and construction elements
Information
Patent Application
Tubemaster, Inc.
Clifford L. Johns
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TubeMaster Inc.
Clifford L. Johns
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
