Granted Patent
Utility
US 4,900,580 · App. 07/260,147
Process for the electrostatic lacquering of printed circuit boards
Inventors:
Klaus Grah, Gunter Korsten, Werner Schauf
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Oct 20, 1988
Inventors
Klaus Grah
Gunter Korsten
Werner Schauf
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.