Granted Patent
Utility
US 4,351,730 · App. 06/213,596
Treatment of biologically-degradable waste
Inventors:
Martin Bailey, David A. Hines, John C. Ousby, Frank C. Roesler, deceased
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Dec 5, 1980
Inventors
Martin Bailey
David A. Hines
John C. Ousby
Frank C. Roesler, deceased
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.