Paper goods and printed matter Trademarks Filed in October 29, 1948
"OILWELL"
Filed: October 29, 1948
[BULL PLUGS, SWAGED NIPPLES, FLOW T'S, CASING HEADS, [TUBING HEADS, AND COMBINATION CASING AND TUBING HEADS ], ALL BEING…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 71567874
