Granted Patent
Utility
US 5,404,897 · App. 08/144,254
System and method for preventing leakage of liquid waste from an aircraft waste tank during flight
Inventor:
Mike M. Rozenblatt
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Nov 1, 1993
Inventor
Mike M. Rozenblatt
Assignee (at issue)
MAG Aerospace Industries, LLC
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.