John A. Draper
2Patents
0Active
2Granted
22Portfolio score
Filing activity: Jun 27, 1975 → Dec 29, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4651080A | High efficiency battery charging system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US3955255A | Textile crimping apparatus | Textiles; Paper | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.