Granted Patent
Utility
US 5,887,510 · App. 08/907,133
Device for making coffee
Inventor:
Mark D. Porter
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Aug 6, 1997
Inventor
Mark D. Porter
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.