Granted Patent
Utility
US 5,252,549 · App. 07/733,709
Superconductive ceramic wire and method for making same
Inventors:
Tetsuro Yamaguchi, Takuo Takeshita, Sadaaki Hagino
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Jul 22, 1991
Inventors
Tetsuro Yamaguchi
Takuo Takeshita
Sadaaki Hagino
Assignee (at issue)
Mitsubishi Kinzoku Kabushiki Kaisha
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.