Granted Patent
Utility
US 5,723,912 · App. 08/638,890
Remote keyless entry system having a helical antenna
Inventors:
Mahmood Ahrabian, William P. Sullivan
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Apr 25, 1996
Inventors
Mahmood Ahrabian
William P. Sullivan
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.