Granted Patent
Utility
US 6,657,146 · App. 09/713,276
Button ball and alignment rib
Inventor:
Donald Edward Sutter
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Nov 15, 2000
Inventor
Donald Edward Sutter
Assignee (at issue)
Thomson Licensing
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.