Granted Patent
Utility
US 4,675,613 · App. 06/883,464
Noise compensated synchronous detector system
Inventors:
Andrew H. Naegeli, Stuart L. Carp
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Jul 11, 1986
Inventors
Andrew H. Naegeli
Stuart L. Carp
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.