Granted Patent
Utility
US 5,254,036 · App. 07/725,315
Sectional rasp bar assemblies for combine threshing cylinders
Inventors:
Eric Johnson, R. Nathan Massey, Kevin Myers
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Jul 5, 1991
Inventors
Eric Johnson
R. Nathan Massey
Kevin Myers
Assignee (at issue)
Great Plains Manufacturing, 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.