Granted Patent
Utility
US 6,583,370 · App. 09/853,414
Plastic encased weights
Inventor:
J. Bruce Stoneberg
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 11, 2001
Inventor
J. Bruce Stoneberg
Assignee (at issue)
Safe-T 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.