Granted Patent
Utility
US 5,717,617 · App. 08/440,707
Rate change filter and method
Inventor:
David B. Chester
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: May 15, 1995
Inventor
David B. Chester
Assignee (at issue)
HARRIS CORPORATION
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.