Granted Patent
Utility
US 6,358,870 · App. 09/307,338
Method for preparing pre-reacted batches of raw materials for the production of glass formulas
Inventors:
Antonio Pita Szczesniewski, Hugo Bolio Arceo
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: May 3, 1999
Inventors
Antonio Pita Szczesniewski
Hugo Bolio Arceo
Assignee (at issue)
Vitro Corporativo, S.A. DE C.V.
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.