Granted Patent
Utility
US 6,070,068 · App. 08/818,564
Communication terminal device and method for controlling a connecting state of a call into a desired connection state upon a predetermined operation by a user
Inventor:
Fukuharu Sudo
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Mar 14, 1997
Inventor
Fukuharu Sudo
Assignee (at issue)
SONY GROUP 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.