Granted Patent
Utility
US 6,620,475 · App. 09/636,816
Structure for wound fiber reinforced plastic tubing and method for making
Inventors:
Harris A. Reynolds, Jr., Joel David Shaw, Thomas J. Walsh, Chris A. Lundberg
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Aug 10, 2000
Inventors
Harris A. Reynolds, Jr.
Joel David Shaw
Thomas J. Walsh
Chris A. Lundberg
Assignee (at issue)
Hydril Company
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.