Granted Patent
Utility
US 6,087,969 · App. 09/067,147
Sigma-delta modulator and method for digitizing a signal
Inventors:
Troy Stockstad, Douglas A. Garrity
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Apr 27, 1998
Inventors
Troy Stockstad
Douglas A. Garrity
Assignee (at issue)
Motorola, 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.