Granted Patent
Utility
US 4,510,741 · App. 06/591,275
Rotary crop baler
Inventors:
Hallis D. Campbell, Donald E. Burrough
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Mar 19, 1984
Inventors
Hallis D. Campbell
Donald E. Burrough
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.