Granted Patent
Utility
US 4,723,402 · App. 06/911,026
Multi-function raking mechanism
Inventors:
Emmett G. Webster, Donald O. Bigelow
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Sep 24, 1986
Inventors
Emmett G. Webster
Donald O. Bigelow
Assignee (at issue)
New Holland, Inc.
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.