Sona-Tool Development Ltd.
1Patents
0Active
1Granted
22Portfolio score
Filing activity: May 11, 1983 → May 11, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4512402A | Casing tuned downhole tool | Fixed Constructions | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.