Granted Patent
Utility
US 5,278,379 · App. 07/740,615
Continuous denitration apparatus which uses microwave heating
Inventor:
Yoshiharu Takanashi
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Aug 5, 1991
Inventor
Yoshiharu Takanashi
Assignee (at issue)
Doryokuro Kakunenryo Kaihatsu Jigyodan
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.