Granted Patent
Utility
US 6,631,986 · App. 10/171,654
Printer transport roller with internal drive motor
Inventor:
Kia Silverbrook
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Jun 17, 2002
Inventor
Kia Silverbrook
Assignee (at issue)
Silverbrook Research Pty Ltd
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.