Granted Patent
Utility
US 6,574,247 · App. 09/316,994
Transmission system for transmitting a main signal and an auxiliary signal
Inventors:
Constant Paul Marie Jozef Baggen, Arie Geert Cornelis Koppelaar, Ewa B. Hekstra
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: May 24, 1999
Inventors
Constant Paul Marie Jozef Baggen
Arie Geert Cornelis Koppelaar
Ewa B. Hekstra
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.