DH

David C. Hoyle

Schlumberger Technology: 2 patents #28 of 323Top 9%
📍 Gaylord, MI: #1 of 22 inventorsTop 5%
🗺 Michigan: #703 of 6,198 inventorsTop 15%
Overall (2002): #69,154 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6494288 Acoustic logging tool Hitoshi Tashiro, Jahir Pabon, Frank J. Morris, Hitoshi Sugiyama, David Leslie +1 more 2002-12-17
6474439 Dipole logging tool Hitoshi Tashiro, Benoit Froelich, Alain Brie, Hiroshi Hori, Hitoshi Sugiyama +2 more 2002-11-05