Granted Patent
Utility
US 6,582,267 · App. 10/008,714
Personal flotation device
Inventor:
Ralph E. Steger
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Dec 7, 2001
Inventor
Ralph E. Steger
Assignee (at issue)
Hedstrom 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.