KASITRONIC
Filed: July 17, 1981
LEVEL MEASUREMENT SYSTEMS
Owned by: Keystone International, Inc.
Serial Number: 73319495
KASIROTOR
Filed: July 17, 1981
Paddlewheel Type Level Detecting Apparatus
Owned by: Keystone International, Inc.
Serial Number: 73319496
KASIFRAM
Filed: July 20, 1981
Mechanical, Contact-Type Level Switches for Use with Dry Materials
Owned by: Keystone International, Inc.
Serial Number: 73319832
FIG. 122
Filed: January 21, 1988
VALVES OF METAL AND PARTS FOR SUCH VALVES, BEING OTHER THAN MACHINE PARTS
Owned by: Keystone International, Inc.
Serial Number: 73706878
FIG. 993
Filed: January 21, 1988
VALVES OF METAL AND PARTS FOR SUCH VALVES, BEING OTHER THAN MACHINE PARTS
Owned by: Keystone International, Inc.
Serial Number: 73706879
FIG. 228
Filed: January 21, 1988
VALVES OF METAL AND PARTS FOR SUCH VALVES, BEING OTHER THAN MACHINE PARTS
Owned by: Keystone International, Inc.
Serial Number: 73706881
FIG. 504
Filed: January 21, 1988
VALVES OF METAL AND PARTS FOR SUCH VALVES, BEING OTHER THAN MACHINE PARTS
Owned by: Keystone International, Inc.
Serial Number: 73706882
FIG. 990
Filed: January 21, 1988
VALVES OF METAL AND PARTS FOR SUCH VALVES, BEING OTHER THAN MACHINE PARTS
Owned by: Keystone International, Inc.
Serial Number: 73706883
ZACK
Filed: August 22, 1988
ELECTRO-PNEUMATIC SERVO POSITIONERS
Owned by: Keystone International, Inc.
Serial Number: 73747579
TORQUE PLUG
Filed: September 6, 1988
APPARATUS FOR CONNECTING A VALVE STEM TO A ROTATABLE VALVE ELEMENT
Owned by: Keystone International, Inc.
Serial Number: 73750210
PERFORMANCE BY DESIGN
Filed: September 6, 1988
MANUALLY-OPERATED BUTTERFLY VALVES OF METAL
Owned by: Keystone International, Inc.
Serial Number: 73750441
