NATIONAL OILWELL DHT, L.P. Trademarks
BOWEN
Filed: March 24, 1966
SPECIALTY TOOLS AND PARTS THEREFOR-NAMELY, SPEARS, LINE WIPERS, BAILERS, BUMPER SUBS, BLANKING PLUGS, WIRE LINE BLOCKS,…
Owned by: NATIONAL OILWELL DHT, L.P.
Serial Number: 72241741
INTENSIFIER
Filed: March 7, 1995
oil and gas downhole tool, namely a mechanical jarring tool
Owned by: NATIONAL OILWELL DHT, L.P.
Serial Number: 74643198
