Granted Patent
Utility
US 4,783,859 · App. 07/119,203
Aircraft toilet flush valve
Inventors:
Mike M. Rozenblatt, Jon E. Allen, Anna Jung
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Nov 4, 1987
Inventors
Mike M. Rozenblatt
Jon E. Allen
Anna Jung
Assignee (at issue)
Monogram Industries 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.