Granted Patent
Utility
US 6,093,979 · App. 09/318,207
Channel expander for remotely controlled automotive security and convenience systems
Inventors:
Darrell E. Issa, Jerry W. Birchfield, Glenn Busse, Mark Rutledge
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: May 25, 1999
Inventors
Darrell E. Issa
Jerry W. Birchfield
Glenn Busse
Mark Rutledge
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.