Granted Patent
Utility
US 6,118,830 · App. 09/060,088
Digital DC restoration device
Inventors:
William Thies, Pieter Vorenkamp
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Apr 14, 1998
Inventors
William Thies
Pieter Vorenkamp
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.