Granted Patent
Utility
US 4,584,479 · App. 06/708,104
Envelope apparatus for localized vacuum processing
Inventors:
John R. Lamattina, Paul F. Petric
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Mar 5, 1985
Inventors
John R. Lamattina
Paul F. Petric
Assignee (at issue)
Varian, 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.