Electrical and scientific apparatus Trademarks Filed in September 10, 1954
GASCOPE
Filed: September 10, 1954
INSTRUMENTS ADAPTED FOR DETECTING GAS LEAKS AND MEASURING THE CONCENTRATIONS OF ESCAPING GAS IN GAS SYSTEMS
Owned by: MINE SAFETY APPLIANCES COMPANY
Serial Number: 71673042
SMOKESCOPE
Filed: September 10, 1954
OPTICAL INSTRUMENTS ADAPTED FOR COMPARATIVELY ESTIMATING THE DENSITY OF SMOKE
Owned by: MINE SAFETY APPLIANCES COMPANY
Serial Number: 71673043
SABRE
Filed: September 10, 1954
TELEVISION ANTENNA APPARATUS
Owned by: WELLS, JOHN R.
Serial Number: 71673071
