Granted Patent
Utility
US 5,581,259 · App. 08/333,855
Life for old maps
Inventor:
John F. Schipper
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Nov 3, 1994
Inventor
John F. Schipper
Assignee (at issue)
Trimble Navigation Limited
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.