Robert E. Ralphs
5Patents
4h-index
6Co-inventors
42Inventor score
Filing activity: Mar 27, 1979 → Oct 9, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4208006A | Molded pulp tray for beverage and food | Human Necessities | 62 | Expired |
| USD279259S | Carrier for beverage cups | General | 37 | Expired |
| USD270703S | Convective heating tray | General | 27 | Expired |
| US4582248A | Upwardly molded locking flange on carton | Performing Operations; Transporting | 10 | Expired |
| USD270422S | Convective heating tray | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.