Granted Patent
Utility
US 4,453,222 · App. 06/369,406
Emergency device employing programmable vocal warning commands
Inventor:
Kurt A. Goszyk
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Apr 19, 1982
Inventor
Kurt A. Goszyk
Assignee (at issue)
Exide Electronics Corporation
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.