Granted Patent
Utility
US 5,488,782 · App. 08/235,521
Scale plate arrangement
Inventor:
Osamu Ochiai
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Apr 29, 1994
Inventor
Osamu Ochiai
Assignee (at issue)
Sony Magnescale Inc.
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.