Granted Patent
Utility
US 6,151,149 · App. 09/055,166
Method and apparatus for pulse pattern modulation
Inventors:
Mathew A. Rybicki, H. Spence Jackson, Timothy W. Markison, Gregg S. Kodra, Michael A. Margules
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Apr 4, 1998
Inventors
Mathew A. Rybicki
H. Spence Jackson
Timothy W. Markison
Gregg S. Kodra
Michael A. Margules
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.