David Ferguson
7Patents
2h-index
7Co-inventors
44Inventor score
Filing activity: Mar 6, 1998 → Jan 31, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5904639A | Apparatus, system, and method for carrying out protocol-based isometric exercise regimens | Human Necessities | 70 | Expired |
| US11260268B1 | Systems, methods, and apparatus for isometric, isokinetic, isotonic, and isodynamic exercise | Human Necessities | 4 | Active |
| USD403385S | Isometric exercise apparatus | General | 2 | Expired |
| US10603542B1 | Systems, methods, and apparatus for isometric, isokinetic, isotonic, and isodynamic exercise | Human Necessities | 2 | Active |
| US8413881B2 | System of receiving prerecorded media discs from users | Physics | 1 | Active |
| US10521684B2 | Media validation platform | Physics | 0 | Active |
| US9123375B2 | System of receiving prerecorded media discs from users | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.