Granted Patent
Utility
US 6,547,033 · App. 08/803,685
Safety device
Inventor:
Alain Cheval
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Feb 21, 1997
Inventor
Alain Cheval
Assignee (at issue)
Rollgliss AG
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.