May 9, 1939 Trademark Filings

LIBRASCOPE
BALANCE COMPUTERS-I.E., INSTRUMENTS FOR COMPUTING THE LOCATION OF THE LOAD CENTER IN AIRCRAFT, UNDER VARYING LOAD DISTRIBUTION
Cancelled  ·  May 9, 1939  ·  71419226  · 
librascope
METAG
PARASITICIDES
Cancelled  ·  May 9, 1939  ·  71419219  ·