Granted Patent
Utility
US 4,733,730 · App. 06/870,982
Planter gauge wheel
Inventor:
David L. Murray
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Jun 5, 1986
Inventor
David L. Murray
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.