Granted Patent
Utility
US 4,771,729 · App. 06/794,072
System for automatic electrostatic spray coating
Inventors:
Albert Planert, Winfried Ott, Gunther Fleig
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Nov 1, 1985
Inventors
Albert Planert
Winfried Ott
Gunther Fleig
Assignee (at issue)
Ransburg 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.