Granted Patent
Utility
US 6,788,780 · App. 09/623,647
Communications apparatus
Inventor:
Helmut Kienberger
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Sep 6, 2000
Inventor
Helmut Kienberger
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.