April 5, 1962 Trademark Filings

BLACKSTONE
Heat Transfer Devices of the Nature of Heater and Radiator Cores
Cancelled  ·  April 5, 1962  ·  72141571  · 
blackstone
GREASE CLENE
METAL CLEANERS AND DEGREASERS
Expired  ·  April 5, 1962  ·  72141570  · 
grease clene
ELECTRO-PAK
AIR FILTERS
Expired  ·  April 5, 1962  ·  72141566  · 
SHERWOOD
Valves-Namely, Gas Control Valves, and Valve Fittings and Accessories
Registered  ·  April 5, 1962  ·  72141565  · 
sherwood