Inventor

HAVER NELSON A

US3 patents

Patents

3 patents

US6089323AJul 18, 2000

Tractor system

CTES L C179 citations96

US6082461AJul 4, 2000

Bore tractor system

CTES L C160 citations96

US5794703AAug 18, 1998

Wellbore tractor and method of moving an item through a wellbore

CTES L C258 citations96