Granted Patent
Utility
US 5,958,110 · App. 08/999,316
Evaporative process for the regeneration of aqueous glycol solutions
Inventors:
James Jeffrey Harris, James W. Harris
Patented Case
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Granted: Sep 28, 1999
Filed: Dec 29, 1997
Inventors
James Jeffrey Harris
James W. Harris
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.