SGD Inc. Trademarks
AUTO-LOGIC
Automatic pressure control machines and instruments; Control valves for regulating the flow of gases and liquids
Owned by: SGD Inc.
Serial Number: 77107130
WHISPER VALVE
A SILENCING REGULATOR TO PREVENT ACTUATION OF A SAFETY RELIEF VALVE IN CRYOGENIC CONTAINERS
Owned by: SGD Inc.
Serial Number: 77374883
ULTRA-LOGIC
Automatic pressure control machines and instruments; Control valves for regulating the flow of gases and liquids
Owned by: SGD Inc.
Serial Number: 77676732
