Granted Patent
Utility
US 4,784,154 · App. 06/929,988
Interference resistant biomedical transducer
Inventors:
Donald J. Shirley, Merle E. Converse
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Nov 13, 1986
Inventors
Donald J. Shirley
Merle E. Converse
Assignee (at issue)
Colin Electronics Co., 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.