Granted Patent
Utility
US 5,638,249 · App. 08/283,571
Electrostatic support system
Inventors:
Peter M. Rubino, Robert M. Rubino
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Aug 1, 1994
Inventors
Peter M. Rubino
Robert M. Rubino
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.