Granted Patent
Utility
US 6,519,980 · App. 10/115,743
Hosiery dewrinkling system and method for circular knitting machines
Inventor:
Ronnie Walker
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Apr 3, 2002
Inventor
Ronnie Walker
Assignee (at issue)
Sara Lee 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.