Granted Patent
Utility
US 4,675,781 · App. 06/854,191
Static neutralization utilizing non-corroding ion dispensing tips
Inventor:
Donald G. Saurenman
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Apr 21, 1986
Inventor
Donald G. Saurenman
Assignee (at issue)
Cumming 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.