Granted Patent
Utility
US 6,133,340 · App. 08/952,791
Sleeves, their preparation, and use
Inventor:
Paulo Roberto Menon
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Oct 21, 1998
Inventor
Paulo Roberto Menon
Assignee (at issue)
Ashland, Inc.
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.