Granted Patent
Utility
US 4,450,979 · App. 06/424,835
Seed metering means
Inventor:
Harry C. Deckler
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Sep 27, 1982
Inventor
Harry C. Deckler
Assignee (at issue)
White Farm Equipment Company
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.