Porter Company/Mechanical Contractors, The Trademarks
SAFETYCASE
Filed: July 26, 1994
fabricated metal box to enclose valves and other devices in double-contained gas and chemical piping systems
Owned by: Porter Company/Mechanical Contractors, The
Serial Number: 74554596
THE PORTER CO. MECHANICAL CONTRACTORS
Filed: February 3, 1997
heating, ventilating, and air conditioning construction, plumbing, cleanroom construction, high purity chemical system construction…
Owned by: Porter Company/Mechanical Contractors, The
Serial Number: 75235800
SAFETYCHEM
METAL CONTAINERS FOR COMMERCIAL USE FOR HOLDING CHEMICALS
Owned by: Porter Company/Mechanical Contractors, The
Serial Number: 75852318
