Granted Patent
Utility
US 4,658,372 · App. 06/494,194
Scale-space filtering
Inventor:
Andrew Witkin
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: May 13, 1983
Inventor
Andrew Witkin
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.