Granted Patent
Utility
US 4,352,682 · App. 06/206,455
Deoxygenating apparatus
Inventors:
David M. Kemp, Hartl R. Jones
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Nov 13, 1980
Inventors
David M. Kemp
Hartl R. Jones
Assignee (at issue)
FMC 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.