NJ

Neil Johnston

BS Bj Services: 4 patents #42 of 250Top 20%
Overall (All Time): #1,274,817 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6173778 Storable liquid systems for use in cementing oil and gas wells Philip Rae, Gino DiLullo 2001-01-16
5975220 Mud suspension control system Dan Mueller, Daniel J. Daulton, Phillip J. Rae, Gino DiLullo 1999-11-02
5547506 Storable liquid cementitious slurries for cementing oil and gas wells Philip Rae 1996-08-20
5447197 Storable liquid cementitious slurries for cementing oil and gas wells Philip Rae 1995-09-05