MICRO-SEAL
Mark Identification

MICRO-SEAL

Serial Number

85706207

Filing Date

Aug 17, 2012

Registration Date

May 28, 2013

Trademark by

WEATHERFORD TECHNOLOGY HOLDINGS LLC

Classification Information

Hydraulic oil and gas well drilling tools in the nature of casing centralizer featuring a swellable elastomer for sealing against cement leaking into the microannulas during cementing operations

Machinery