Granted Patent
Utility
US 5,908,822 · App. 08/959,612
Compositions and processes for drying substrates
Inventor:
Kenneth T. Dishart
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Oct 28, 1997
Inventor
Kenneth T. Dishart
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.