Granted Patent
Utility
US 6,321,021 · App. 09/351,538
End seal assembly for tubular conduit
Inventors:
James L. Cairns, Stewart M. Barlow, Peter R. Baxter, Steven J. Kowalcky, William Taylor
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Jul 12, 1999
Inventors
James L. Cairns
Stewart M. Barlow
Peter R. Baxter
Steven J. Kowalcky
William Taylor
Assignee (at issue)
Ocean Design Group, 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.