Granted Patent
Utility
US 4,810,522 · App. 07/177,359
Bath-fed electrostatic coating applicator and method
Inventor:
Semyon Kisler
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Apr 4, 1988
Inventor
Semyon Kisler
Assignee (at issue)
Polaroid 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.