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Larry D. Johansen

COConoco: 1 patents #310 of 638Top 50%

Carrizo Springs, TX: #1 of 3 inventorsTop 35%

Texas: #73,555 of 125,132 inventorsTop 60%

Overall (All Time): #3,954,760 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4754810	Method for patching casing leaks	Karl E. Bennett, Jeff J. Jurinak, Chandra L. Mowery, Walter M. MacKinlay	1988-07-05