Granted Patent
Utility
US 6,606,846 · App. 09/948,720
Fire resistant corespun yarn and fabric comprising same
Inventor:
Frank J. Land
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Sep 10, 2001
Inventor
Frank J. Land
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.