Granted Patent
Utility
US 4,804,237 · App. 07/086,334
Tractor-trailer brake control system
Inventors:
Thomas A. Gee, Mark W. Sullivan
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Aug 17, 1987
Inventors
Thomas A. Gee
Mark W. Sullivan
Assignee (at issue)
Eaton 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.