Granted Patent
Utility
US 6,366,752 · App. 09/635,493
Spherical silicone additive for reduced photo receptor drag and wear
Inventor:
Ralph Weber
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Aug 9, 2000
Inventor
Ralph Weber
Assignee (at issue)
Xerox Corporation
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.