Granted Patent
Utility
US 6,364,729 · App. 09/637,972
Personal flotation device with front portion central pull system
Inventor:
Alexander Khanamirian
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Aug 11, 2000
Inventor
Alexander Khanamirian
Assignee (at issue)
Extrasport, 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.