Granted Patent
Utility
US 6,484,791 · App. 09/469,121
Plunger for a pressing furnace
Inventor:
Patricia E. Vidal
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Dec 21, 1999
Inventor
Patricia E. Vidal
Assignee (at issue)
Jeneric/Pentron Incorporated
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.