Granted Patent
Utility
US 4,244,167 · App. 06/069,987
Rotary baler for forming cylindrical hay bales
Inventors:
Dean E. Seefeld, Hallis D. Campbell
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Aug 27, 1979
Inventors
Dean E. Seefeld
Hallis D. Campbell
Assignee (at issue)
Gehl Company
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.