Robert Patrick Appleton
1Patents
0Active
1Granted
24Portfolio score
Filing activity: Jul 18, 1994 → Jul 18, 1994
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5479988A | Mud check valves in drilling apparatus (wells) | Emerging Cross-Sectional Technologies | 51 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.