Granted Patent
Utility
US 5,240,903 · App. 07/693,590
Oxide superconductor comprising BaBO.sub.3 dispersions (where B is Zr, Sn, Ce or Ti)
Inventors:
Jun Shimoyama, Toshiya Matsubara, Takeshi Morimoto, Shinji Kondoh
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Apr 30, 1991
Inventors
Jun Shimoyama
Toshiya Matsubara
Takeshi Morimoto
Shinji Kondoh
Assignee (at issue)
ASAHI GLASS CO., LTD.
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.