Granted Patent
Utility
US 6,636,714 · App. 09/209,854
Roll having relieved edges for low stress belt tracking for belt loops
Inventor:
Henry T. Mastalski
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Dec 11, 1998
Inventor
Henry T. Mastalski
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.