Granted Patent
Utility
US 5,578,503 · App. 08/403,921
Rapid process for producing a chalcopyrite semiconductor on a substrate
Inventors:
Franz Karg, Volker Probst
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: May 9, 1995
Inventors
Franz Karg
Volker Probst
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.