Granted Patent
Utility
US 6,050,230 · App. 09/117,189
Locomotive engine cooling system drain valve with low voltage sensor
Inventors:
Steven Seiler, Lorin D. Blakeslee
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Apr 12, 1999
Inventors
Steven Seiler
Lorin D. Blakeslee
Assignees (at issue)
Prime Manufacturing Corp.
General Electric Company
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.