Granted Patent
Utility
US 6,556,663 · App. 09/977,580
Guestroom telephone having single action message retrieval
Inventors:
Gregory J. Danner, Bing Sun
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Oct 15, 2001
Inventors
Gregory J. Danner
Bing Sun
Assignee (at issue)
Scitec, Inc.
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.