Granted Patent
Utility
US 6,779,313 · App. 09/965,641
Boxable drywall corner bead
Inventor:
Timothy Smythe
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Sep 27, 2001
Inventor
Timothy Smythe
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.