David A. Black
5Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Dec 18, 1984 → Jun 4, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD347262S | Adjustable unit for a dual headed shower fixture | General | 121 | Expired |
| US4622784A | Pressurized waterstops | Fixed Constructions | 36 | Expired |
| US6443467B1 | Baby stroller with interchangeable front wheel support structures | Performing Operations; Transporting | 16 | Expired |
| USD445367S | Baby stroller forward frame | General | 2 | Expired |
| US12159255B2 | Automatic barcode based personal safety compliance system | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.