Sugar Land, Texas
United States
3
2017-01-05
The entities that hold a legal rights for patent applications filed by inventor Marshall Ricki Don:
Ricki Don Marshall from Sugar Land, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Steerable earth boring assembly having flow tube with static seal
#2 | 2017-01-05Drive shaft for steerable earth boring assembly
#3 | 2017-01-05Steerable earth boring assembly
1761875 ⎘