Granted Patent
Utility
US 6,315,849 · App. 09/317,464
Method of joining flexible sheets to tubes
Inventor:
Kurt D. Ross
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: May 24, 1999
Inventor
Kurt D. Ross
Assignee (at issue)
Grayling Industries, 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.