Drlgmud Company, The Trademarks
MAXIDRLG
Filed: October 29, 1979
Chemical Compound Employed as an Additive to Oil and Gas Well Drilling Fluids
Owned by: Drlgmud Company, The
Serial Number: 73237018
CHALK SEAL
Filed: June 11, 1981
CELLULOSE AND FOR CALCIUM CARBONATE USING DRILLING MUDS
Owned by: Drlgmud Company, The
Serial Number: 73314204
MODKEY
Filed: December 16, 1982
Drilling Fluid Engineering Services in the Field of Oil and Gas Well Drilling
Owned by: Drlgmud Company, The
Serial Number: 73406294
