MI DRILLING FLUIDS COMPANY Trademarks
DEFOAM-L
Filed: August 27, 1979
Chemicals for Use in Oil and Gas Well Drilling-Namely, a Surfactant
Owned by: MI DRILLING FLUIDS COMPANY
Serial Number: 73229172
FEDERAL BENTONITE
Filed: September 30, 1982
Bentonite (With or Without Polymeric Additives and/or Inorganic Treatments) and Lignite (Either Causticized or Not Causticized…
Owned by: MI DRILLING FLUIDS COMPANY
Serial Number: 73398614
