Granted Patent
Utility
US 4,798,529 · App. 06/849,942
Apparatus and method for briquetting fibrous crop or like materials
Inventor:
Wilfred E. Klinner
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Apr 9, 1986
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.