Granted Patent
Utility
US 4,724,910 · App. 06/912,962
Implement with resiliently mounted coulter gangs
Inventor:
Keith A. Wheeler
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Sep 29, 1986
Inventor
Keith A. Wheeler
Assignee (at issue)
Deutz-Allis 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.