Granted Patent
Utility
US 5,784,006 · App. 08/676,055
Annunciator system with mobile receivers
Inventor:
Peter A. Hochstein
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Jul 5, 1996
Inventor
Peter A. Hochstein
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.