Granted Patent
Utility
US 4,236,369 · App. 05/956,717
Row crop attachment
Inventor:
Frans J. G. C. Decoene
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Nov 1, 1978
Inventor
Frans J. G. C. Decoene
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.