Granted Patent
Utility
US 5,034,893 · App. 07/335,623
Graphical display of timing advance data
Inventor:
James Fisher
Patented Case
View Patent ↗
Granted: Jul 23, 1991
Filed: Apr 10, 1989
Inventor
James Fisher
Assignee (at issue)
Clean Air Technologies, LLC
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.