Electrical and scientific apparatus Trademarks Filed in November 29, 1954
JETCAL
Filed: November 29, 1954
DEVICES FOR TESTING HEAT SENSING UNITS
Owned by: HOWELL INSTRUMENTS, INC.
Serial Number: 71677379
TEMPCAL
Filed: November 29, 1954
DEVICES FOR TESTING HEAT SENSING UNITS
Owned by: HOWELL INSTRUMENTS, INC.
Serial Number: 71677380
SPEED-SAK
Filed: November 29, 1954
DUST BAG ATTACHMENT FOR VACUUM CLEANERS
Owned by: LEWYT CORPORATION
Serial Number: 71677423
