Granted Patent
Utility
US 5,267,619 · App. 07/825,949
Disk harrow assembly
Inventor:
Brad K. Eversole
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Jan 27, 1992
Inventor
Brad K. Eversole
Assignee (at issue)
Case GmbH
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.