About 31 Trademarks found that are filed by the attorney Gerald W SpInks

EARTH BORING BITS

ENERGY LINK

WATER AND OIL TREATING CHEMICALS FOR INDUSTRIAL AND MUNICIPAL USE

SAW AND SAW BLADES, DRILLING MACHINES

Computer software for the generation of e-mail messages which incorporate multimedia features, and computer software for the aggregation and tabulation of responses to e-mail inquiries

DRILL BITS FOR POWER-OPERATED DRILLS

ELECTRONIC MEASURING INSTRUMENTS FOR USE IN WELL DRILLING, COMPRISING INSTRUMENTS WHICH SENSE, MEASURE, TRANSMIT, RECORD AND PROVIDE READOUT OF DRIFT, AZIMUTH, TOOL FACE ORIENTATION, TEMPERATURE, AND GAMMA RAY AND ELECTRICAL RESISTIVITY; AUTOMATIC AND MANUAL VALVE ASSEMBLIES ALL SOLD AS A UNIT AND BATTERY PACK FOR THE ABOVE EQUIPMENT

Well Logging Services

Gas Lift Valves and Components Therefor Used for Petroleum Recovery from Underground Sources

CHEMICALS AND CHEMICAL COMPOSITIONS-NAMELY, LIGNOSULFONATES AND MODIFIED LIGNOSULFONATES; CURING AGENTS FOR CEMENT; INORGANIC CHEMICALS, SALT, GRAPHITE, LIME, BARIUM CARBONATE, BICARBONATE OF SODA, CALCIUM CHLORIDE, CAUSTIC SODA, GYPSUM, SODA ASH, SODIUM BICHROMATE; DRILLING MUD ADDITIVES-NAMELY, WEIGHTING AGENTS, DEFLOCCULANTS, FLUID LOSS CONTROL AGENTS, EMULSIFIERS, DISPERSANTS, ANTI-FOAM AGENTS, INHIBITORS, ANTI-CORROSION AGENTS, SUSPENSION AGENTS, AND CHEMICAL ADDITIVES FOR TREATING DRILLING MUDS; REFINERY AND DRILLING CHEMICALS-NAMELY, DESALTING AGENTS, CORROSION INHIBITORS, BIOCIDES, SOLVENTS, SURFACTANTS, SCALE INHIBITORS, FILM FORMING INHIBITORS, VAPOR PHASE INHIBITORS, DISPERSING AGENTS, DEFOAMERS, INHIBITORS FOR GUM AND PRECIPITATES, COLOR STABILIZERS, POLYGLYCOL DIBASIC ACID ESTERS, OXYALKYLATED ALKYLPHENOLIC RESINS, ETHOXYLATED AMINES, ENCAPSULATED COMPOUNDS, ADDITIVES FOR OIL WELL ACIDIZING AND FRACTURING ACID INHIBITORS, AND DEMULSIFIERS