Granted Patent
Utility
US 5,432,513 · App. 08/302,235
Codec
Inventor:
Seiji Okamoto
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Sep 8, 1994
Inventor
Seiji Okamoto
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.