Granted Patent
Utility
US 5,111,417 · App. 07/559,533
Digital filter sampling rate conversion method and device
Inventors:
Jacques Belloc, Claude Galand, Emmanuel Lancon, Andre Milewski, Michel Quintin
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Jul 19, 1990
Inventors
Jacques Belloc
Claude Galand
Emmanuel Lancon
Andre Milewski
Michel Quintin
Assignee (at issue)
International Business Machines 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.