UNITED STATES PATENT OFFICE.
| Autor: | DELLUC, M. |
|---|---|
| Předmět: | |
| Zdroj: | Journal of Civil War Medicine; Jan-Mar2014, Vol. 18 Issue 1, p30-31, 2p |
| Abstrakt: | The article presents the patent application of New York City inventor Marcellin Delluc for his invention known as the mechanical leech. According to the document, the application was filed with the U.S. agency the Patent Office on May 7, 1850. The document states that the mechanical leech was designed to bleed portions of the human body in place of animal leeches. |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|