Granted Patent
Utility
US 5,597,157 · App. 08/551,308
Document handling device for overturning a document
Inventors:
Alistair Hamilton, Robert W. Phillips
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Nov 1, 1995
Inventors
Alistair Hamilton
Robert W. Phillips
Assignee (at issue)
AT&T Global Information Solutions Company
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.