OPTO-22 Trademarks
OPTO 22

OPTO 22

Filed: September 29, 1975
SOLID STATE RELAYS
Owned by: OPTO-22
Serial Number: 73064422

ERG 2

ERG 2

Filed: April 8, 1985
COMPUTER SYSTEMS FOR INDUSTRIAL CONTROL
Owned by: OPTO-22
Serial Number: 73531221