Howard D. Martin
3Patents
2Active
3Granted
42Portfolio score
Filing activity: Apr 18, 1978 → Dec 18, 2006 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7360495B1 | Method for planter depth monitoring | Emerging Cross-Sectional Technologies | 131 | Active |
| US7360494B2 | Apparatus for planter depth monitoring | Emerging Cross-Sectional Technologies | 94 | Active |
| US4161345A | Supporting frame for furniture | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.