IP Library › Granted Patent US 6,590,993
Granted Patent Utility
US 6,590,993 · App. 09/417,537

Panel-shaped loudspeaker

Inventors: Guido Odilon Maurits D'Hoogh, David Corynen
Patented Case View Patent ↗
Granted: Jul 8, 2003 Filed: Oct 14, 1999
Inventors
Guido Odilon Maurits D'Hoogh
David Corynen
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,590,993
App. No.
09/417,537
Filed
1999-10-14
Granted
2003-07-08
Kind
B2