ELECTRO FILMS INCORPORATED Trademarks
EFI
Filed: June 7, 1978
MICROELECTRONIC COMPONENTS-NAMELY, THIN FILM RESISTOR NETWORKS, METALLIZED CERAMIC SUBSTRATES, CHIP RESISTORS AND LADDER…
Owned by: ELECTRO FILMS INCORPORATED
Serial Number: 73173473
TRIM-PAK
Filed: October 26, 1981
Electronic Circuit Package Comprising Laser Trimmable Resistor Ladder Networks
Owned by: ELECTRO FILMS INCORPORATED
Serial Number: 73334143
