Granted Patent
Utility
US 4,453,373 · App. 06/357,020
Crop gathering attachment for crop harvesting machine
Inventor:
Frans J. G. C. De Coene
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Mar 11, 1982
Inventor
Frans J. G. C. De Coene
Assignee (at issue)
Sperry Corp.
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.