Granted Patent
Utility
US 5,285,186 · App. 07/669,053
Vehicle security system
Inventor:
Michael Chen
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Mar 14, 1991
Inventor
Michael Chen
Assignee (at issue)
MAGNADYNE 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.