Granted Patent
Utility
US 6,163,978 · App. 09/061,500
Corn dryer
Inventor:
Pat S. Hinner
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Apr 16, 1998
Inventor
Pat S. Hinner
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.