26 Instruments Used in the Oil and Gas Industries for Measuring and Testing Physical Properties, Such as Specific Gravity, Pressures, and the Dew Point of Gases and Liquids
Trademark Events
May 11, 2002
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Oct 25, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.