LC

Leonard Casey

PS Precision Energy Services: 1 patents #32 of 77Top 45%
WE Weatherford/Lamb: 1 patents #476 of 852Top 60%
Overall (All Time): #2,135,290 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7600566 Collar locator for slick pump Corey Hoffman 2009-10-13
7537061 System and method for releasing and retrieving memory tool with wireline in well pipe Joe Hall, Sam Ash, Scott D. Campbell, Tim Marsh 2009-05-26