Granted Patent
Utility
US 4,310,036 · App. 06/113,558
Tunnel clean out mechanism for an agricultural bag loading apparatus
Inventors:
David H. Rasmussen, Richard H. Lee
Patented Case
View Patent ↗
Granted: Jan 12, 1982
Filed: Jan 21, 1980
Inventors
David H. Rasmussen
Richard H. Lee
Assignee (at issue)
B.A.G. Corp.
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.