Granted Patent
Utility
US 6,270,841 · App. 09/346,877
Thin coating manufactured by vapor deposition of solid oligomers
Inventors:
Michael G. Mikhael, Angelo Yializis
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Jul 2, 1999
Inventors
Michael G. Mikhael
Angelo Yializis
Assignee (at issue)
Sigma Technologies International, 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.