D. Beam
1Patents
0Active
1Granted
24Portfolio score
Filing activity: Sep 28, 1981 → Sep 28, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4398735A | Solid state skate truck | Human Necessities | 61 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.