Granted Patent
Utility
US 5,873,939 · App. 08/802,934
Dual track stencil/screen printer
Inventors:
Dennis G. Doyle, Steven W. Hall
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Feb 19, 1997
Inventors
Dennis G. Doyle
Steven W. Hall
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.