Electrical and scientific apparatus Trademarks Filed in April 1, 1924
GENERAL RADIO COMPANY GR
Filed: April 1, 1924
AMPLIFIERS, DIRECT AND ALTERNATING CURRENT; AUDIOFREQUENCY TRANSFORMERS, SOCKETS, RHEOSTATS, MISCELLANEOUS SMALL PARTS-NAMELY…
Owned by: GENERAL RADIO COMPANY
Serial Number: 71194794
