National Coupling Company Trademarks
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Filed: December 11, 2001
Metal quick release couplings for use in connecting fluid lines used in the exploration of oil and gas
Owned by: National Coupling Company
Serial Number: 76347752
NATIONAL COUPLING
Filed: January 15, 2002
Manually operated quick release metal couplings for use in connecting the ends of lines and hoses
Owned by: National Coupling Company
Serial Number: 76359255
Image Trademark
Filed: February 12, 2002
Stainless steel quick release couplings for use in connecting fluid lines used in the exploration and production of oil…
Owned by: National Coupling Company
Serial Number: 76369992
