Granted Patent
Utility
US 6,497,254 · App. 09/849,070
Self-sealing flexible metal hose
Inventors:
R. Winfield Thomas, Scott R. Swank
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: May 4, 2001
Inventors
R. Winfield Thomas
Scott R. Swank
Assignee (at issue)
Tru-Flex Metal Hose, 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.