COMINCO ENGINEERING SERVICES LTD. Trademarks
CESL
Filed: August 2, 1991
technical consulting services in the fields of geology, mining, metallurgy, chemistry and industrial plant design and construction…
Owned by: COMINCO ENGINEERING SERVICES LTD.
Serial Number: 74191082
SPARJET
Filed: February 21, 1996
gas sparging tubes for injecting gases into process liquors, injector nozzles for use in injecting gases into process liquors…
Owned by: COMINCO ENGINEERING SERVICES LTD.
Serial Number: 75060600
