Granted Patent
Utility
US 4,417,692 · App. 06/371,628
Vapor-phase axial deposition torch
Inventors:
Matthew J. Andrejco, Eugene Potkay
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Apr 26, 1982
Inventors
Matthew J. Andrejco
Eugene Potkay
Assignee (at issue)
Western Electric Company, 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.