Granted Patent
Utility
US 5,669,973 · App. 08/467,647
Apparatus for electrostatically depositing and retaining materials upon a substrate
Inventor:
Timothy Allen Pletcher
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Jun 6, 1995
Inventor
Timothy Allen Pletcher
Assignee (at issue)
David Sarnoff Research Center Inc.
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.