Granted Patent
Utility
US 6,553,749 · App. 10/142,832
Fire resistant corespun yarn and fabric comprising same
Inventors:
Frank J. Land, Alan C. Handermann
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: May 13, 2002
Inventors
Frank J. Land
Alan C. Handermann
Assignee (at issue)
McKinnon Land LLC
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.