Granted Patent
Utility
US 6,771,560 · App. 10/447,105
Method and apparatus for on-board calibration in pulse-echo acoustic ranging system
Inventors:
Quinton Lyon, Claude Mercier
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: May 29, 2003
Inventors
Quinton Lyon
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.