David S. Colvin
1Patents
0Active
1Granted
27Portfolio score
Filing activity: Dec 6, 1989 → Dec 6, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4930378A | Wrench opening engagement surface configuration | Performing Operations; Transporting | 52 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.