VAC-U-VATOR
Filed: November 20, 1950
PORTABLE AND STATIONARY CONVEYORS FOR MOVING GRANULAR MATERIAL AND USING AIR AS THE PROPELLING AGENCY
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 71606687
MAKING GRAIN HANDLING A BREEZE
Filed: November 2, 1981
PNEUMATIC GRAIN HANDLING MACHINES
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 73335103
PUSH-PAC
Filed: September 29, 1982
Pneumatic Conveyors for Moving Granular Materials
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 73392550
C
Filed: April 8, 1987
PNEUMATIC GRAIN CONVEYING MACHINES
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 73653885
DUNBAR KAPPLE
Filed: October 19, 1989
PNEUMATIC CONVEYORS
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 73832386
AUGER VAC
Filed: March 30, 1990
combination mechanical and pneumatic conveyor for handling food products including grain
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 74044126
SHIPSIDER
Filed: November 18, 1991
pneumatic conveyors
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 74222542
DUNBAR
Filed: April 24, 1992
pneumatic conveyors for flowable particulate materials
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 74269742
PLANTER VAC
Filed: May 13, 1992
pneumatic conveyors for use with particulate materials
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 74275161
PLANTER PALLET
Filed: October 23, 1992
metal framework apparatus for storage and suspension of containers of granular material
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 74325508
SEED VAC
Filed: October 6, 1995
pneumatic conveyors for handling particulate materials
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 75002303
SUPER TOWER
Filed: June 11, 1996
pneumatic conveyors for unloading and moving granular material from ships
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 75117110
SEED VAC
pneumatic conveyors for handling particulate materials
Owned by: CHRISTIANSON SYSTEMS, INC.
Serial Number: 77064153
