Granted Patent
Utility
US 6,351,713 · App. 09/464,018
Distributed stress wave analysis system
Inventors:
David B. Board, Craig E. Hughes, Michael P. Caulfield, Sylvia Andrews
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Dec 15, 1999
Inventors
David B. Board
Craig E. Hughes
Michael P. Caulfield
Sylvia Andrews
Assignee (at issue)
Swantech, L.L.C.
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.