Granted Patent
Utility
US 6,077,575 · App. 08/861,040
Suspending accent particles in an acrylic matrix
Inventor:
Ettore Minghetti
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: May 21, 1997
Inventor
Ettore Minghetti
Assignee (at issue)
Aristech Acrylics 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.