Granted Patent
Utility
US 6,587,044 · App. 09/927,837
Brake lamp illumination on a trailer by sensing wheel speed deceleration
Inventors:
Rodney P. Ehrlich, Francis S. Smidler
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Aug 10, 2001
Inventors
Rodney P. Ehrlich
Francis S. Smidler
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.