Granted Patent
Utility
US 6,147,634 · App. 09/211,616
Method and apparatus for digital to analog conversion with reduced noise
Inventors:
Giri NK Rangan, Mathew A. Rybicki
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Dec 15, 1998
Inventors
Giri NK Rangan
Mathew A. Rybicki
Assignee (at issue)
SIGMATEL, 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.