David L. Rivera
5Patents
5h-index
8Co-inventors
52Inventor score
Filing activity: Mar 30, 1987 → Mar 6, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5443461A | Segmented device for simultaneous delivery of multiple beneficial agents | Human Necessities | 105 | Expired |
| US5609885A | Osmotic membrane and delivery device | Human Necessities | 52 | Expired |
| US4731122A | Process for manufacturing a thermoplastic molding composition | Chemistry; Metallurgy | 11 | Expired |
| US5607696A | Osmotic membrane and delivery device | Human Necessities | 10 | Expired |
| US5783213A | Osmotic membrane and delivery device | Human Necessities | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.