Granted Patent
Utility
US 4,450,882 · App. 06/311,428
Automatic shaper
Inventors:
Lonnie G. Hitchcock, Richard J. Flanigan
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Oct 14, 1981
Inventors
Lonnie G. Hitchcock
Richard J. Flanigan
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.