Granted Patent
Utility
US 6,509,834 · App. 09/921,360
Device having vehicle remote convenience control and interpersonal communication function abilities
Inventor:
Xing Ping Lin
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Aug 2, 2001
Inventor
Xing Ping Lin
Assignee (at issue)
TRW Limited
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.