MJ

Marvin E. Janda

CO Conoco: 3 patents #121 of 638Top 20%
Overall (All Time): #1,653,349 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5321213 Downhole epicyclic motion orbital seismic source Jack H. Cole, Paul L. Buller, John B. Sinton 1994-06-14
5285023 Downhole hydraulic rotary seismic source Jack H. Cole 1994-02-08
4958170 Multiple film width transport adaptor Bernard A. Schwartz, Tommy L. Tew 1990-09-18