John Marshall
5Patents
2Active
5Granted
45Portfolio score
Filing activity: Feb 19, 1985 → Jan 6, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8617010B2 | Fletching system and method therefor | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US6319156A | Biodegradable golf tee | Human Necessities | 6 | Expired |
| US4633233A | Window security device | Physics | 3 | Expired |
| US12392138B2 | Article and method for enclosing aperture in house siding to prevent or discourage entry by small animals and insects | Fixed Constructions | 0 | Active |
| US4755800A | Window security device | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.