Granted Patent
Utility
US 5,440,493 · App. 08/224,741
Lot transporting system between stations having different manufacturing equipment
Inventor:
Teruo Doida
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Apr 7, 1994
Inventor
Teruo Doida
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.