Granted Patent
Utility
US 6,346,211 · App. 09/397,223
Bending of thermoplastic tubes
Inventors:
John Rafferty, Robert Davidson
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Sep 16, 1999
Inventors
John Rafferty
Robert Davidson
Assignee (at issue)
McKechnie Engineered Plastics Limited
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.