Granted Patent
Utility
US 6,207,221 · App. 09/498,647
Process for producing a metal-ceramic substrate and a metal-ceramic substrate
Inventor:
Jurgen Schulz-Harder
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Feb 7, 2000
Inventor
Jurgen Schulz-Harder
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.