Granted Patent
Utility
US 6,328,237 · App. 09/553,225
Crusher
Inventor:
Urban Thysell
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Apr 20, 2000
Inventor
Urban Thysell
Assignee (at issue)
Svedala-Arbra AB
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.