IP Library Granted Patent US 5,638,249
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,638,249
App. No.
08/283,571
Filed
1994-08-01
Granted
1997-06-10
Kind
A