Inventor

BEIERBACH K EVERT

CA3 patents

Patents

3 patents

US7140443B2Nov 28, 2006

Pipe handling device, method and system

TESCO CORP141 citations93

US7377324B2May 27, 2008

Pipe handling device, method and system

TESCO CORP31 citations88

US7770654B2Aug 10, 2010

Pipe handling device, method and system

TESCO CORP9 citations80