RR

Richard A. Rosthal

Schlumberger Technology: 3 patents #13 of 323Top 5%
🗺 California: #2,144 of 26,763 inventorsTop 9%
Overall (2002): #22,252 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6380744 Shielding apparatus for selective attenuation of an electromagnetic energy field component Brian Clark, Dean Homan, Dzevat Omeragic, Stephen D. Bonner, Scott S. Chesser +1 more 2002-04-30
6373254 Method and apparatus for controlling the effect of contact impedance on a galvanic tool in a logging-while-drilling application Dominique Dion, Mark Frey, James Stephen Hall, Qiming Li, Mark A. Fredette 2002-04-16
6351127 Shielding method and apparatus for selective attenuation of an electromagnetic energy field component Dean Homan, Dzevat Omeragic, Stephen D. Bonner, Brian Clark, Scott S. Chesser +1 more 2002-02-26