Granted Patent
Utility
US 5,577,658 · App. 08/493,552
Gas knife cooling system
Inventors:
Joel Brad Bailey, Sabi Avramescu, Tad Formella
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Jun 23, 1995
Inventors
Joel Brad Bailey
Sabi Avramescu
Tad Formella
Assignee (at issue)
Electrovert USA Corp.
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.