Inventor

LEVIE WILLIAM IAIN ELDER

US3 patents

Patents

3 patents

US8991487B2Mar 31, 2015

Pull through centralizer

LEVIE WILLIAM IAIN ELDER12 citations72

US9074430B2Jul 7, 2015

Composite limit collar

LEVIE WILLIAM IAIN ELDER2 citations55

US8960278B2Feb 24, 2015

Pull through centralizer

LEVIE WILLIAM IAIN ELDER0 citations40