Granted Patent
Utility
US 5,511,424 · App. 08/196,661
Remote preamplifier and impedance matching circuit for electromagnetic acoustic transducer
Inventors:
Daniel T. MacLauchlan, Karl C. Henderson, John H. Flora
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Feb 15, 1994
Inventors
Daniel T. MacLauchlan
Karl C. Henderson
John H. Flora
Assignee (at issue)
The Babcock & Wilcox Company
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.