Granted Patent
Utility
US 6,290,745 · App. 09/485,917
Method and device for producing soft solder powder
Inventors:
Jurgen Schulze, Walter Protsch
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Feb 16, 2000
Inventors
Jurgen Schulze
Walter Protsch
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.