21 Electronic Circuit Assemblies Including Electrical Components, Such as Resistors, Capacitors, Inductors, Transistors, and the Like, Mounted on Ceramic Bases Bearing Printed Wiring
Trademark Events
Jul 20, 2002
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Oct 25, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.