NORTHWEST
Filed: December 6, 1923
Trench Excavators, Drag-Line Excavators, Hoisting Machines, ((Locomotive Cranes, ))Shoveling Machines, and Power Shovels
Owned by: Northwest Engineering Company
Serial Number: 71189334
TIMBERMASTER
Filed: May 13, 1976
VEHICULAR BOOM TYPE LOG HANDLING MACHINES
Owned by: Northwest Engineering Company
Serial Number: 73086977
CUSHION-AIR
Filed: May 13, 1976
PNEUMATIC CONTROLS-NAMELY, BOOM HOIST CONTROLS, TRAVEL AND SWING CONTROLS, CLUTCHING CONTROLS AND BRAKING CONTROLS FOR TRENCH…
Owned by: Northwest Engineering Company
Serial Number: 73086989
TWIN TORQUE
Filed: June 10, 1976
CRAWLER DRIVE MECHANISMS FOR LAND VEHICLES
Owned by: Northwest Engineering Company
Serial Number: 73089971
HYDRA-PAK
Filed: July 12, 1976
OPERATOR ACTUATED AUXILIARY HYDRAULIC POWER SUPPLY DEVICES FOR ATTACHMENT TO HOISTING CRANES
Owned by: Northwest Engineering Company
Serial Number: 73093125
GAL
Filed: March 7, 1977
EXCAVATING AND/OR TUNNELING MACHINES HAVING AN INCLINED CONVEYOR FOR REMOVING SPOIL FROM THE EXCAVATION OR TUNNEL
Owned by: Northwest Engineering Company
Serial Number: 73118247