Granted Patent
Utility
US 6,139,619 · App. 08/609,111
Binders for cores and molds
Inventors:
Leonid S. Zaretskiy, Robert Manning, Kwok-tuen Tse
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Feb 29, 1996
Inventors
Leonid S. Zaretskiy
Robert Manning
Kwok-tuen Tse
Assignee (at issue)
Borden Chemical, Inc.
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.