Granted Patent
Utility
US 6,648,947 · App. 09/943,541
Method and apparatus for replacing a filter
Inventors:
Akbar Paydar, Vernon Cagan
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Aug 30, 2001
Inventors
Akbar Paydar
Vernon Cagan
Assignee (at issue)
Sun Microsystems 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.