Granted Patent
Utility
US 6,252,945 · App. 09/162,855
Method for recording a digitized audio signal, and telephone answering machine
Inventors:
Michael Hermann, Achim Degenhardt
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Sep 29, 1998
Inventors
Michael Hermann
Achim Degenhardt
Assignee (at issue)
Siemens Aktiengesellschaft
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.