Granted Patent
Utility
US 4,663,108 · App. 06/664,681
Vacuum liner for a plasma device
Inventor:
Thomas Carlstrom
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Oct 25, 1984
Inventor
Thomas Carlstrom
Assignee (at issue)
GA Technologies, 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.