Environmental control apparatus Trademarks Filed in January 23, 1956
DICTAPHONE
Filed: January 23, 1956
SOUND RECORDING AND REPRODUCING APPARATUS USING SOUND RECORDS HAVING SIGNAL TRACKS IN THE FORM OF GROOVES, MAGNETIZED PARTICLES…
Owned by: NUANCE COMMUNICATIONS, INC.
Serial Number: 72001221
R P
Filed: January 23, 1956
APPARATUS FOR CONDITIONING VENTILATING AIR, PARTICULARLY WITH RESPECT TO HUMIDITY AND THE REMOVAL OF ENTRAINED MATTER, AND…
Owned by: RESEARCH PRODUCTS CORPORATION
Serial Number: 72001280
