IP Library › Granted Patent US 5,730,445
Granted Patent Utility
US 5,730,445 · App. 08/813,290

Pressure energized metalic sealing ring

Inventors: Jeffrey E. Swensen, Mark Higgins
Patented Case View Patent ↗
Granted: Mar 24, 1998 Filed: Mar 10, 1997
Inventors
Jeffrey E. Swensen
Mark Higgins
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 5,730,445
App. No.
08/813,290
Filed
1997-03-10
Granted
1998-03-24
Kind
A