Granted Patent
Utility
US 5,097,749 · App. 07/622,850
Rolling ramp inlet
Inventor:
William M. Smith
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: Dec 6, 1990
Inventor
William M. Smith
Assignee (at issue)
CTB HOLDINGS LLC
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.