Granted Patent
Utility
US 4,518,455 · App. 06/414,227
CVD Process
Inventor:
Kevin A. Muething
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Sep 2, 1982
Inventor
Kevin A. Muething
Assignee (at issue)
AT&T Technologies Incorporated
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.