Schlumberger Industries Limited Trademarks
MASSMASTER
Filed: February 25, 1991
mass flow measuring apparatus and transducers; mass flow sensors and flow computers for use therewith; and parts for all…
Owned by: Schlumberger Industries Limited
Serial Number: 74142113
CREST
Filed: November 14, 1994
prepayment apparatus and instruments for controlling the supply of utilities, including water, electricity, gas, or heat…
Owned by: Schlumberger Industries Limited
Serial Number: 74597794
