Christopher L. Ognoskie

Follow

Person

Katy, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Selectively retrievable wear bushing for subsea or surface applicat...
- Patent number 7,284,616
- Issue date Oct 23, 2007
- Dril-Quip, Inc.
- Gregory D. Williams
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Selectively retrievable wear bushing for subsea or surface applicat...
- Publication number 20050103503
- Publication date May 19, 2005
- Gregory D. Williams
- E21 - EARTH DRILLING MINING