Duren, Gary S. Trademarks
SURE-VENT
Filed: October 8, 1993
air admittance valves for use in plumbing
Owned by: Duren, Gary S.
Serial Number: 74446754
DURA-VENT
Filed: October 8, 1993
air admittance valves for use in plumbing
Owned by: Duren, Gary S.
Serial Number: 74446759
DURECO
Filed: October 8, 1993
manufacture of general product lines in the field of plumbing to the order and specification of others
Owned by: Duren, Gary S.
Serial Number: 74446761
