Granted Patent
Utility
US 6,029,522 · App. 09/151,432
Ultrasonic apparatus for characterizing wooden members
Inventors:
Mark E. Schafer, Robert J. Ross
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Sep 11, 1998
Inventors
Mark E. Schafer
Robert J. Ross
Assignees (at issue)
PERCEPTRON, INC.
Department of Agriculture
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.