Granted Patent
Utility
US 5,427,985 · App. 08/209,027
Amorphous, hydrogenated carbon as an insulator in device fabrication
Inventors:
Albert Hammerschmidt, Thomas Mandel
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Mar 9, 1994
Inventors
Albert Hammerschmidt
Thomas Mandel
Assignee (at issue)
Siemens Aktiengesellschaft
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.