Marathon Valve Trademarks
GUARDIAN
Filed: March 24, 2011
Metal pressure relief valves, not being parts of machines, for oil and gas drilling applications
Owned by: Marathon Valve
Serial Number: 85275825
SEAL GUARD
Filed: March 26, 2011
abrasive resistant metal or plastic inserts that protect seals from abrasion, sold as a component of metal pressure relief…
Owned by: Marathon Valve
Serial Number: 85277891
MARATHON VALVE
Metal fluid handling valves for oil and gas exploration and processing, namely, safety relief valves, float valves, gate…
Owned by: Marathon Valve
Serial Number: 85277916
