SPIRA-LIFT
Filed: February 1, 1966
WINDOW SASH BALANCES
Owned by: CALDWELL MANUFACTURING COMPANY
Serial Number: 72237656
TRIM TILT
Filed: December 29, 1967
WINDOW SASH BALANCES
Owned by: CALDWELL MANUFACTURING COMPANY
Serial Number: 72287797
HELIX
Filed: November 29, 1972
WINDOW SASH BALANCES AND ASSOCLATED HARDWARE
Owned by: CALDWELL MANUFACTURING COMPANY
Serial Number: 72442455
THERMA-SEAL
Filed: September 12, 1978
WEATHERSTRIPPING
Owned by: CALDWELL MANUFACTURING COMPANY
Serial Number: 73185422
TAMP'R'LOK
Filed: November 19, 1979
Plastic Fasteners for Windows and Window Sash Balances
Owned by: CALDWELL MANUFACTURING COMPANY
Serial Number: 73243521
THERMA-FLEX
Filed: August 15, 1984
JAMB LINERS, COUNTER BALANCE SPRINGS, SPRING COVERS AND SASH PLATFORMS SOLD AS SUB ASSEMBLIES TO MANUFACTURERS FOR ASSEMBLY…
Owned by: CALDWELL MANUFACTURING COMPANY
Serial Number: 73494992
T N T
Filed: November 19, 1991
spring based counterbalances subassembled into jamb liners and sold to window makers for use in counterbalancing window…
Owned by: CALDWELL MANUFACTURING COMPANY
Serial Number: 74223331
