Granted Patent
Utility
US 6,655,752 · App. 09/963,845
Device for activating trailer electric wheel brakes
Inventors:
Charles L. Robertson, Michael A. Hedding
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Sep 26, 2001
Inventors
Charles L. Robertson
Michael A. Hedding
Assignee (at issue)
Hayes Lemmerz International, Inc.
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.