Granted Patent
Utility
US 5,404,827 · App. 08/052,135
Gravity outlet
Inventors:
Dwain J. Baltz, Roger Dalske, Dennis J. Schipper
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Apr 23, 1993
Inventors
Dwain J. Baltz
Roger Dalske
Dennis J. Schipper
Assignee (at issue)
ACF Industries Incorporated
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.