Granted Patent
Utility
US 6,468,635 · App. 09/694,250
Charged films having high ink absorbency for printing on inkjet printers
Inventor:
Donna S. Cowell Senft
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 23, 2000
Inventor
Donna S. Cowell Senft
Assignee (at issue)
Permacharge 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.