Granted Patent
Utility
US 4,539,849 · App. 06/532,684
Transducer assembly including a disposable dome
Inventor:
Kelly A. Pike
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Sep 16, 1983
Inventor
Kelly A. Pike
Assignee (at issue)
American Hospital Supply Corp.
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.