Granted Patent
Utility
US 5,224,174 · App. 07/610,429
Surface feature mapping using high resolution C-scan ultrasonography
Inventors:
John K. Schneider, William E. Glenn
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Nov 7, 1990
Inventors
John K. Schneider
William E. Glenn
Assignee (at issue)
Niagara Technology Incorporated
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.