Granted Patent
Utility
US 4,947,787 · App. 07/392,817
Apparatus for the electrostatic lacquering of printing circuit boards
Inventors:
Klaus Grah, Gunter Korsten, Werner Schauf
Patented Case
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Granted: Aug 14, 1990
Filed: Aug 10, 1989
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.