This page contains all the U.S. trademarks filed by DOUGLAS H. MAY. The list below is generated based on trademark correspondent identification information provided to the United States Patent Office (USPTO). Trademarkia.com is a free search engine of publicly available government records. Trademarkia.com does not represent correspondent listed on this page.

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Goods and Services: DRILLING MUD ADDITIVES COMPRISING SODIUM CARBOXYMETHYL CELLULOSE
DEAD (Circa: 1987)

CELLEX

Goods and Services: RECORDED LITHOLOGY LOGGING SERVICES TO THE OIL INDUSTRY COMPRISING PROVIDING GAMMA RAY, RESIS...
DEAD (Circa: 1985)

RECORDED LITHOLOGY LOGGING (RLL)

Goods and Services: DRILL BITS
DEAD (Circa: 1983)

PD

Goods and Services: Providing Completion and Workover Fluid Services for the Production of Oil and Gas from Wells
DEAD (Circa: 1983)

C/WOF

Goods and Services: Providing Completion and Workover Fluid Services for the Production of Oil and Gas from Wells
DEAD (Circa: 1983)

C WOF

Goods and Services: Protective Coating Compositions for Use in Prevention of Surface Deterioration or Corrosion a...
DEAD (Circa: 1980)

NL

Goods and Services: Monitoring and Interpreting Operating Parameters and Subsurface Conditions Encountered During...
DEAD (Circa: 1980)

CADT

Goods and Services: CHEMICALS FOR USE IN DRILLING, PRODUCTION, TRANSPORTING, AND REFINING OF OIL, GAS, GEOTHERMAL...
DEAD (Circa: 1977)

SURFLO

Goods and Services: FOUNDRY SAND BINDER
DEAD (Circa: 1966)

BARONITE