21 Electronic Tubes, Cathode Ray Tubes, and Semiconductor Devices-Namely, Diodes, Rectifiers, Controlled Rectifiers, Transistors, and Tunnel Diodes, All Incorporating Germanium or Silicon
EDISON
Trademark Events
Nov 11, 2001
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Oct 25, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.