Granted Patent
Utility
US 6,820,656 · App. 10/276,677
Yarn tuft forming unit and loom
Inventor:
Michael Winspear Burton
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 26, 2003
Inventor
Michael Winspear Burton
Assignee (at issue)
Brintons 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.