Granted Patent
Utility
US 6,397,444 · App. 09/513,802
Apparatus and method for texturing yarn
Inventors:
Peter William Foster, Duncan Cameron Ferrier, Ujithe Sujeewa Wickramasinghe Gunasekera
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Feb 25, 2000
Inventors
Peter William Foster
Duncan Cameron Ferrier
Ujithe Sujeewa Wickramasinghe Gunasekera
Assignee (at issue)
University of Manchester Institute of Science and Technology
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.