Granted Patent
Utility
US 5,983,533 · App. 09/141,508
Scarifer machine with a shaking milling drum
Inventor:
Romolo Bitelli
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Aug 27, 1998
Inventor
Romolo Bitelli
Assignee (at issue)
Bitelli SpA
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.