Granted Patent
Utility
US 6,484,656 · App. 09/832,774
Automatic inflating boat flotation device
Inventors:
Arthur W. Mears, Richard S. Coate
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Apr 10, 2001
Inventors
Arthur W. Mears
Richard S. Coate
Assignee (at issue)
Float Rail, 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.