Durabla Manufacturing Company Trademarks
WLC
Filed: February 14, 1983
Automatic Check Valves
Owned by: Durabla Manufacturing Company
Serial Number: 73413308
25D
Filed: January 21, 1986
PRESSURE-CONTROLLED CHECK VALVES FOR USE IN PUMPS
Owned by: Durabla Manufacturing Company
Serial Number: 73578455
DURABLA
Filed: January 21, 1986
PRESSURE-CONTROLLED CHECK VALVES, AND INJECTION TEES ACTIVATED BY PRESSURE-CONTROLLED CHECK VALVES
Owned by: Durabla Manufacturing Company
Serial Number: 73578460
