David Altfeder
4Patents
2h-index
4Co-inventors
33Inventor score
Filing activity: Mar 27, 2013 → Mar 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9087288B2 | Method of generating void pantographs | Electricity | 4 | Active |
| US9088735B2 | Computer-based system and method for adding variable security data in printing operations | Electricity | 2 | Active |
| US10475269B2 | Covert secure document registration system | Physics | 0 | Active |
| US10733825B2 | Covert secure document registration system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.