1 Roof Bolters in White Pine, MI Directory

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Robert Talvensaari White Pine, MI

Roof Bolter

United States Patent	Inventor	Appl. No.	Assignee
#4398850 Aug 16, 1983 Filed: Feb 9, 1981	Robert D. Talvensaari (White Pine, MI)	6/232884	Copper Range Company (Lakewood, CO)
International Classification:	E21D 2002, E21C 500, E21C 900	U.S. Classification:	405261

United States Patent

Inventor

Appl. No.

Assignee

#4398850 Aug 16, 1983

Filed: Feb 9, 1981

Robert D. Talvensaari (White Pine, MI)

6/232884

Copper Range Company (Lakewood, CO)

International Classification:

E21D 2002, E21C 500, E21C 900

U.S. Classification:

405261

Patent:

Roof bolter and process

Abstract:

Roof bolter and process for resin bolting a mine roof. The roof bolter comprises combined means...