Granted Patent
Utility
US 6,266,542 · App. 09/160,617
Accessory allowing hands-free operation of a cellular telephone
Inventors:
Trampas Stern, Matthew Murray
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Sep 24, 1998
Inventors
Trampas Stern
Matthew Murray
Assignee (at issue)
ERICSSON GMBH
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.