Granted Patent
Utility
US 6,562,223 · App. 09/840,353
Method and apparatus for anodizing objects
Inventor:
Jean Rasmussen
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 23, 2001
Inventor
Jean Rasmussen
Assignee (at issue)
Pioneer Metal Finishing, LLC
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.