Granted Patent
Utility
US 6,503,327 · App. 09/804,760
Filament recoating apparatus and method
Inventor:
Brian K. Nelson
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Mar 13, 2001
Inventor
Brian K. Nelson
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.