Larry D. Johansen — 1 Patent at Conoco

Larry D. Johansen has been granted 1 US patent while listed as an inventor at Conoco. All of these patents were granted in 1988. Larry D. Johansen ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Larry D. Johansen in Carrizo Springs, TX, US.

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

Larry D. Johansen — 1 Patent

Issued Patents All Time

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