Granted Patent
Utility
US 6,590,379 · App. 09/841,048
Apparatus for detecting the envelope of an input signal
Inventor:
Claude Mercier
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Apr 25, 2001
Inventor
Claude Mercier
Assignee (at issue)
Siemens Milltronics Process Instruments, 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.