Granted Patent
Utility
US 5,626,469 · App. 08/430,053
Scroll apparatus
Inventor:
Nigel Paul Schofield
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Apr 27, 1995
Inventor
Nigel Paul Schofield
Assignee (at issue)
The BOC Group plc
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.