Inventor

SUTTON JAMES ANTHONY

3 patents

Patents

3 patents

US4037419AJul 26, 1977

Mine roof support

DOWTY MINING EQUIPMENT LTD7 citations69

US3952525AApr 27, 1976

Mine roof support

DOWTY MINING EQUIPMENT LTD10 citations67

US4027489AJun 7, 1977

Mine roof support

DOWTY MINING EQUIPMENT LTD11 citations65