Granted Patent
Utility
US 6,316,716 · App. 09/567,153
Solar cell and method for producing such a cell
Inventor:
Just Hilgrath
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: May 9, 2000
Inventor
Just Hilgrath
Assignee (at issue)
Angewandte Solarenergie-Ase GmbH
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.