IP Library › Granted Patent US 5,630,593
Granted Patent Utility
US 5,630,593 · App. 08/302,467

Pressure-energized sealing rings

Inventors: Jeffrey E. Swensen, Robert Alan Barrett
Patented Case View Patent ↗
Granted: May 20, 1997 Filed: Sep 12, 1994
Inventors
Jeffrey E. Swensen
Robert Alan Barrett
Assignee (at issue)
EG&G Pressure Science, Inc.

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 5,630,593
App. No.
08/302,467
Filed
1994-09-12
Granted
1997-05-20
Kind
A