Electrical and scientific apparatus Trademarks Filed in January 3, 1921
PRINCO
Filed: January 3, 1921
[Sphygmomanometers,] Thermometers, [HYDROMETERS,] HYGROMETERS, Barometers [, AND Precision Mercurial and Diaphragm PRESSure…
Owned by: Princo Instruments, Inc.
Serial Number: 71141802
