Granted Patent
Utility
US 4,355,869 · App. 06/154,246
Self scanned optical Fourier transform arrangement
Inventor:
Shi-Kay Yao
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: May 29, 1980
Inventor
Shi-Kay Yao
Assignee (at issue)
Rockwell International 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.