Granted Patent
Utility
US 5,567,757 · App. 08/503,870
Low specific gravity binder for magnets
Inventor:
Thomas R. Szczepanski
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Jul 18, 1995
Inventor
Thomas R. Szczepanski
Assignee (at issue)
RJF International Corporation
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.