Granted Patent
Utility
US 6,540,498 · App. 09/970,606
Apparatus for thermosetting thermoplastic tubes
Inventors:
Richard Riggs, David Gabbey, Patrick L. Marion
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Oct 4, 2001
Inventors
Richard Riggs
David Gabbey
Patrick L. Marion
Assignee (at issue)
Pilot Industries, 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.