Raymond E. Spier
5Patents
4h-index
5Co-inventors
39Inventor score
Filing activity: Jan 30, 1974 → Apr 16, 1975
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3933585A | Process for production of vaccines | Chemistry; Metallurgy | 14 | Expired |
| US3976547A | Cell and vaccine production | Chemistry; Metallurgy | 9 | Expired |
| US4080258A | Cell and vaccine production | Chemistry; Metallurgy | 7 | Expired |
| US3959074A | Vaccine production | Chemistry; Metallurgy | 4 | Expired |
| US3965258A | Process for production of vaccines | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.