Richard Frank
9Patents
7h-index
8Co-inventors
56Inventor score
Filing activity: Jun 19, 1984 → Jun 3, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5671846A | Portable picnic salad bar | Performing Operations; Transporting | 39 | Expired |
| US5511689A | Dispensing device for adhesive-backed articles | Human Necessities | 38 | Expired |
| US6792095B1 | Automatic feature changeover between a wired telephone and a wireless portable telephone | Electricity | 31 | Expired |
| US6757359B2 | Methods and apparatus for transmitting accurate emergency location identification numbers (ELINs) from behind a multi-line telephone system (MLTS) utilizing port equipment numbers | Electricity | 27 | Expired |
| US4649376A | Visual fire alarm apparatus | Physics | 25 | Expired |
| US6868139B2 | Priority based methods and apparatus for transmitting accurate emergency location identification numbers (ELINs) from behind a multi-line telephone system (MLTS) | Electricity | 17 | Expired |
| US7003081B2 | Priority based methods and apparatus for transmitting accurate emergency location identification numbers (ELINs) from behind a multi-line telephone system (MLTS) | Electricity | 14 | Expired |
| US6724877B1 | User specified hold recall treatment | Electricity | 3 | Expired |
| US10509639B2 | Automatic software-update framework | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.