Granted Patent
Utility
US 6,452,489 · App. 09/927,823
Trailer emergency brake lamp
Inventor:
Rodney P. Ehrlich
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Aug 10, 2001
Inventor
Rodney P. Ehrlich
Assignee (at issue)
Wabash Technology 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.