Granted Patent
Utility
US 5,644,639 · App. 08/614,921
Device for carrying out a division
Inventors:
Robert Naciri, Jean-Pierre Bournas
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Mar 11, 1996
Inventors
Robert Naciri
Jean-Pierre Bournas
Assignee (at issue)
U.S. Philips 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.