Granted Patent
Utility
US 4,308,901 · App. 06/115,440
Agricultural bag loading apparatus braking mechanism
Inventor:
Richard H. Lee
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Jan 25, 1980
Inventor
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.