Granted Patent
Utility
US 6,559,711 · App. 09/902,219
Circuit for providing a constant current
Inventors:
Franciscus Petrus Widdershoven, Anne Johan Annema
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jul 10, 2001
Inventors
Franciscus Petrus Widdershoven
Anne Johan Annema
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.