Michael E. Heutmaker
6Patents
6h-index
8Co-inventors
48Inventor score
Filing activity: Mar 28, 1990 → Oct 27, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5072929A | Dual resistance exercise rowing machine | Human Necessities | 183 | Expired |
| US5090694A | Combination chair and exercise unit | Emerging Cross-Sectional Technologies | 163 | Expired |
| US5147265A | Rotation-activated resistance device | Human Necessities | 119 | Expired |
| US5492517A | Exercise device | Human Necessities | 111 | Expired |
| US5122105A | Seat for an exercise apparatus | Human Necessities | 83 | Expired |
| USD360915S | Exercise treadmill | General | 71 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.