Patent 1920006 - 1920006
| United States Patent | Patent Number 1,920,006 |
| Issue Date: | Issued July 25, 1933 |
| Current U.S. Class: | 604/17002 - 604/256 |
| Current International Class: | A61M025/01 (20060101) |
| Current CPC Class: | A61M 25/01 (20130101); A61M 25/09025 (20130101) |
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