ISOLOG
Mark Identification

ISOLOG

Serial Number

85719781

Filing Date

Sep 4, 2012

Trademark by

NATIONAL OILWELL VARCO L.P.

Classification Information

Equipment in the nature of a radiography system featuring primarily a rotating head assembly consists of a gamma radiation source, a camera and a photo-multiplier for wall thickness evaluation and for detecting and evaluating defects in tubular goods

Electrical and Scientific Apparatus