Granted Patent
Utility
US 4,526,038 · App. 06/579,630
Cross-flow ultrasonic transducer head
Inventors:
William Box, Eugene R. Rusiecki
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Feb 13, 1984
Inventors
William Box
Eugene R. Rusiecki
Assignee (at issue)
United States Steel Corporation
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.