Granted Patent
Utility
US 4,527,133 · App. 06/393,800
Self-balancing current sources for a delta modulator
Inventor:
David Money
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Jun 30, 1982
Inventor
David Money
Assignee (at issue)
Telectronics Pty. Limited
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.