Granted Patent
Utility
US 4,398,384 · App. 06/173,136
Crop conditioning apparatus and method
Inventor:
Wilfred E. Klinner
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Nov 30, 1979
Inventor
Wilfred E. Klinner
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.