Granted Patent
Utility
US 5,111,645 · App. 07/619,611
Crop harvesting apparatus and methods
Inventor:
Wilfred E. Klinner
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Nov 29, 1990
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.