PETROLEUM RESERVOIR DATA, INC. Trademarks
DATA-PROBE
Filed: April 15, 1991
oil well downhole data collection and recording services
Owned by: PETROLEUM RESERVOIR DATA, INC.
Serial Number: 74156667
DATA-PROBE
Filed: April 15, 1991
oil well data recorders in the nature of self-contained probes placed downhole in oil wells for the purpose of collecting…
Owned by: PETROLEUM RESERVOIR DATA, INC.
Serial Number: 74156696
PETREDAT
Filed: April 15, 1991
oil well downhole data collection and recording services
Owned by: PETROLEUM RESERVOIR DATA, INC.
Serial Number: 74156697
PETREDAT
Filed: April 15, 1991
self-contained oil well data recorders placed downhole in wells for the purpose of collecting and recording data in situ
Owned by: PETROLEUM RESERVOIR DATA, INC.
Serial Number: 74156750
