DP

David Philips

CO Columbia Gas Of Ohio: 1 patents #1 of 5Top 20%
🗺 Texas: #1,517 of 5,943 inventorsTop 30%
Overall (1997): #161,953 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5645348 Method and apparatus for measuring pressure in a pipeline without tapping Foster B. Stulen, Susan T. Brown, Glenda S. Holderbaum, Arthur C. Eberle 1997-07-08