Granted Patent
Utility
US 4,539,798 · App. 06/517,445
Apparatus and method for conveying and/or treating crop
Inventor:
Wilfred E. Klinner
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Jul 26, 1983
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.