AMERICAN LONGWALL
Filed: September 7, 1982
UNDERGROUND MINING MACHINERY
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 73384191
ABOUT FACE
Filed: September 7, 1982
Longwall Coal Mining Industry Newsletter
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 73384192
SUPERTRAC
Filed: January 16, 1990
chain-type haulage conveyors for mining machinery
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 74019075
MASTERTRAC
Filed: April 19, 1990
heavy duty coal hauling systems; namely, conveyors for shearing machines used in mining
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 74050598
AMERICAN LONGWALL
Filed: March 6, 1991
underground mining machines; namely, chain-type haulage conveyors, armored face conveyors, stage loaders, conveyor drive…
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 74144940
ABOUT FACE
Filed: March 6, 1991
periodical newsletter distributed nationally directed to the longwall coal mining industry
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 74145059
ULTRATRAC
Filed: March 6, 1991
chain-type haulage conveyors for mining machinery
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 74145139
LOWTRAC
Filed: November 8, 1991
chain-type haulage conveyors for mining machinery
Owned by: AMERICAN LONGWALL MINING CORPORATION
Serial Number: 74220960
