Granted Patent
Utility
US 4,961,086 · App. 07/338,248
Device for reading positional information on photographic films
Inventor:
Yuji Takenaka
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Apr 14, 1989
Inventor
Yuji Takenaka
Assignee (at issue)
Fujitsu Limited
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.