Granted Patent
Utility
US 5,011,086 · App. 07/438,495
Spray coating device for electrically conductive coating liquids
Inventors:
Adolf H. Sonnleitner, Karl H. Bergmann
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Nov 30, 1989
Inventors
Adolf H. Sonnleitner
Karl H. Bergmann
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.