Granted Patent
Utility
US 6,485,344 · App. 09/772,739
Collapsible flotation device
Inventor:
David A. Arias
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Jan 30, 2001
Inventor
David A. Arias
Assignee (at issue)
Gray Matter Holdings, LLC
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.