# | Class | status | |
---|---|---|---|
1 |
S:87449469
M:SIGMA-SHIELD O:Sigma Drilling Technologies, LLC |
7 | Dead |
2 |
S:87424032
M:CHARGE FREE DAMPENER O:Sigma Drilling Technologies, LLC |
7 | Dead |
3 |
S:87425212
M:CHARGE FREE DAMPENING SYSTEM O:Sigma Drilling Technologies, LLC |
7 | Dead |
4 |
S:87071285
M:S SIGMA DRILLING TECHNOLOGIES O:Sigma Drilling Technologies, LLC |
7 | Registered |
5 |
S:87066276
M:ACOUSTIC ASSASSIN O:Sigma Drilling Technologies, LLC |
9 | Registered |
6 |
S:86942890
M:CHARGE FREE CONVERSION KIT O:Sigma Drilling Technologies, LLC |
9 | Registered |