John Barrett
7Patents
5h-index
6Co-inventors
56Inventor score
Filing activity: Sep 27, 1977 → May 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5395371A | Spinal fixation system | Human Necessities | 338 | Expired |
| US5545163A | Spinal fixation system | Human Necessities | 144 | Expired |
| US5540690A | Spinal fixation system | Human Necessities | 76 | Expired |
| US4384715A | Knee exerciser | Human Necessities | 26 | Expired |
| US4155547A | Torsion spring type wrist exercising device | Human Necessities | 21 | Expired |
| US11896476B2 | Patella tendon realignment implant with changeable shape | Human Necessities | 2 | Active |
| US12303396B2 | Adjustable patellar tendon realignment implant | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.