Granted Patent
Utility
US 5,165,399 · App. 07/661,481
CO.sub.2 absorption means
Inventor:
Jerome Hochberg
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Jan 16, 1991
Inventor
Jerome Hochberg
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.