Livestock womb replacing tool
United States Patent 3081773
US Patent References:
/0006796.html
- - 0006796

/0543400.html
- - 0543400

Antral pressure device
- - 2525183

Vaginal appliance
- - 2856920


Inventors:
Boyd, Isaac
Publication Date:
03/19/1963
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Assignee:
Boyd, Isaac
Primary Class:
606/119
Other Classes:
606/192
International Classes:
A61D9/02; A61D9/00