DH

Dillard S. Hammett

SE Sedco: 6 patents #1 of 5Top 20%
Overall (All Time): #770,077 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4471708 Self-propelled semi-submersible service vessel John Wilson 1984-09-18
4421051 Auxiliary boom for emergency evacuation 1983-12-20
4372395 Stab water supply system 1983-02-08
4356789 Emergency evacuation system for offshore oil platform 1982-11-02
4352596 Stab system for equipment removal 1982-10-05
4324505 Subsea blowout containment method and apparatus 1982-04-13
4281615 Self-propelled semi-submersible service vessel John Wilson 1981-08-04