Granted Patent
Utility
US 4,520,875 · App. 06/546,279
Marker for tilling implements
Inventor:
Harry C. Deckler
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Oct 28, 1983
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.