IP Library › Granted Patent US 5,013,366
Granted Patent Utility
US 5,013,366 · App. 07/287,207

Cleaning process using phase shifting of dense phase gases

Inventors: David Jackson, Orval F. Buck
Patented Case View Patent ↗
Granted: May 7, 1991 Filed: Dec 7, 1988
Inventors
David Jackson
Orval F. Buck
Assignee (at issue)
Hughes Aircraft Company

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 5,013,366
App. No.
07/287,207
Filed
1988-12-07
Granted
1991-05-07
Kind
A