Granted Patent
Utility
US 5,890,598 · App. 08/008,323
Substrate cassette
Inventors:
Manabu Hayashida, Takanobu Fukudome
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jan 20, 1998
Inventors
Manabu Hayashida
Takanobu Fukudome
Assignee (at issue)
NEC CORPORATION
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.