Granted Patent
Utility
US 5,735,933 · App. 08/506,318
Method for processing metallic waste
Inventors:
Yoshiaki Yokoyama, Teruhisa Ogihara
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jul 24, 1995
Inventors
Yoshiaki Yokoyama
Teruhisa Ogihara
Assignee (at issue)
Teruhisa Ogihara
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.