Granted Patent
Utility
US 5,616,296 · App. 08/391,894
Waste management facility
Inventors:
Herman J. Hittner, R. Lee Byers, John N. Lees, Jr., David W. Rierson, Ludmila Dinter-Brown
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Feb 21, 1995
Inventors
Herman J. Hittner
R. Lee Byers
John N. Lees, Jr.
David W. Rierson
Ludmila Dinter-Brown
Assignee (at issue)
Aluminum Company of America
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.