Granted Patent
Utility
US 6,632,008 · App. 10/008,651
Light-pipe
Inventor:
Peter R. Kalkbrenner
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Nov 9, 2001
Inventor
Peter R. Kalkbrenner
Assignee (at issue)
ADC Broadband Access Systems, Inc.
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.