Granted Patent
Utility
US 6,414,053 · App. 09/726,691
Procedure for the production of ferrules and other feeding head and supply elements for casting molds, and formulation for the obtention of said ferrules and elements
Inventors:
Tomas Posada Fernandez, Rafael Sampedro Gerenabarrena, Francisco Jose Diaz Maruri, Jaime Prat Urrestieta, Jose Joaquin Lasa Urteaga, Luis Iglesias Hernandez
Patented Case
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Granted: Jul 2, 2002
Filed: Nov 30, 2000
Inventors
Tomas Posada Fernandez
Rafael Sampedro Gerenabarrena
Francisco Jose Diaz Maruri
Jaime Prat Urrestieta
Jose Joaquin Lasa Urteaga
Luis Iglesias Hernandez
Assignee (at issue)
Kemen Recupac S.A.
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.