Lloyd A. Tarr
5Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: Sep 8, 1975 → Apr 6, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3991272A | Audio AGC amplifier | Electricity | 7 | Expired |
| US4331843A | Apparatus for controlling and indicating the integrity of the connection of telephone subscribers to a switching system | Electricity | 7 | Expired |
| US4201897A | Ringing voltage transfer circuit | Electricity | 4 | Expired |
| US6754187B1 | Performance enhancement system for digital PBX | Electricity | 1 | Expired |
| US4041248A | Tone detection synchronizer | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.