Granted Patent
Utility
US 5,947,136 · App. 08/707,932
Catch cup cleaning system
Inventor:
Alexei D. Abras
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Sep 10, 1996
Inventor
Alexei D. Abras
Assignee (at issue)
Silicon Valley Group, 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.