Granted Patent
Utility
US 6,454,558 · App. 09/425,237
Melt transfer system
Inventor:
Jobst U. Gellert
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Oct 25, 1999
Inventor
Jobst U. Gellert
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.