Granted Patent
Utility
US 5,208,002 · App. 07/882,959
Method of producing alkali metal azides
Inventors:
Masanori Sasaki, Hiroshi Shibafuchi, Yasushi Imai, Masahiko Yoshida, Kazuyoshi Miyata
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: May 14, 1992
Inventors
Masanori Sasaki
Hiroshi Shibafuchi
Yasushi Imai
Masahiko Yoshida
Kazuyoshi Miyata
Assignee (at issue)
Nippon Carbide Kogyo 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.