Michael S. Castillo
6Patents
6h-index
3Co-inventors
52Inventor score
Filing activity: Jul 27, 1981 → Nov 5, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4856501A | Knee brace having adjustable width frame pivoted to cuffs | Human Necessities | 123 | Expired |
| US4886054A | Knee brace with cammed stop lever | Human Necessities | 52 | Expired |
| US6085810A | Continuous sandbag-forming apparatus and method | Performing Operations; Transporting | 17 | Expired |
| US5881729A | Water sports ear plug | Human Necessities | 15 | Expired |
| US4441564A | Portable variable angle drilling machine | Fixed Constructions | 11 | Expired |
| US5573259A | Bicycle trailer | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.