Facts
- Born
- April 3, 1807
- Died
- June 7, 1894
- Citizenship
- Germany
- Occupation
- engineer
Sources: Wikidata (CC0) · Wikidata Q100209
Inventions and discoveries · 1
| Invention or discovery | Date | Type |
|---|---|---|
| Schrader valve cap | 1896 | non adjustable wrench |
Sources: Wikidata (CC0) · Wikidata Q100209
| Invention or discovery | Date | Type |
|---|---|---|
| Schrader valve cap | 1896 | non adjustable wrench |