Phys-Chemical Research Corp. Trademarks
HUMIDYNE
Filed: November 15, 1961
Humidity Recording and Controlling Instruments
Owned by: Phys-Chemical Research Corp.
Serial Number: 72132068
HYGROCON
Filed: November 15, 1961
Humidity Recording and Controlling Instruments
Owned by: Phys-Chemical Research Corp.
Serial Number: 72132069
HUMETER
Filed: May 16, 1962
Instruments for Recording and Controlling Humidity
Owned by: Phys-Chemical Research Corp.
Serial Number: 72144759
