Granted Patent
Utility
US 6,485,674 · App. 09/829,821
Device for producing soft solder
Inventors:
Jurgen Schulze, Walter Protsch
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Apr 10, 2001
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.