Granted Patent
Utility
US 6,189,448 · App. 09/186,718
Dual image stencil apparatus having stencil including sections with curled edges
Inventors:
Dennis Patrick O'Neal, Dennis G. Doyle
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Nov 5, 1998
Inventors
Dennis Patrick O'Neal
Dennis G. Doyle
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.