Douglas N. Datema
2Patents
1h-index
3Co-inventors
41Inventor score
Filing activity: Jul 18, 1991 → Jul 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5161668A | Guide mechanism for passenger conveyors | Performing Operations; Transporting | 8 | Expired |
| US11905721B2 | Protective platform assembly for use during elevator installation | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.