Granted Patent
Utility
US 5,347,495 · App. 08/054,141
Matching transformer for ultrasonic transducer
Inventors:
Bogdan Cherek, Son C. Nguyen, Andy Adams
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Apr 30, 1993
Inventors
Bogdan Cherek
Son C. Nguyen
Andy Adams
Assignee (at issue)
Milltronics Ltd.
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.