Granted Patent
Utility
US 6,298,008 · App. 09/419,919
Pulse-echo system for mediums having varying densities
Inventors:
Quinton Lyon, Steven J. Woodward
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Oct 18, 1999
Inventors
Quinton Lyon
Steven J. Woodward
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.