Granted Patent
Utility
US 4,691,557 · App. 06/731,094
Acoustic coupling assembly with retaining connector for noninvasive sensing of sampling chamber fluid
Inventors:
William J. Dunn, Brian H. Silver
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: May 6, 1985
Inventors
William J. Dunn
Brian H. Silver
Assignee (at issue)
The Kendall Company LP
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.