Granted Patent
Utility
US 5,111,933 · App. 07/690,178
Kit providing thermally degradable compost bag
Inventors:
Daniel J. Di Biasi, Frederick C. Schwab
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Apr 16, 1991
Inventors
Daniel J. Di Biasi
Frederick C. Schwab
Assignee (at issue)
Mobil Oil Corporation
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.