Granted Patent
Utility
US 5,579,851 · App. 08/589,760
Ground engaging roller for a field implement
Inventors:
Gary A. Parkos, Roger D. Noska
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Jan 22, 1996
Inventors
Gary A. Parkos
Roger D. Noska
Assignee (at issue)
Glenmac 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.