Granted Patent
Utility
US 6,774,171 · App. 10/339,112
Magnetic composition
Inventors:
Abraham Kassa, Jeffrey R. Apfel
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Jan 9, 2003
Inventors
Abraham Kassa
Jeffrey R. Apfel
Assignee (at issue)
L&L Products, 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.