National Refining Corporation Trademarks
NRC NATIONAL REFINING CORPORATION
Filed: June 24, 1983
Recovery of Precious Metal from Scrap of Dental Laboratories
Owned by: National Refining Corporation
Serial Number: 73431847
NR
Filed: August 22, 1983
Ingots or Bars of Precious Metals Such as Gold and Silver
Owned by: National Refining Corporation
Serial Number: 73440537
