Title:
Means for vaccinating
United States Patent 2817336


Inventors:
Harvey, Kravitz
Norman, Lettvin
Application Number:
US32713652A
Publication Date:
12/24/1957
Filing Date:
12/20/1952
Assignee:
Harvey, Kravitz
Norman, Lettvin
Primary Class:
Other Classes:
604/306
International Classes:
A61B10/00; A61B17/20
View Patent Images:
US Patent References:
2619962Vaccination appliance1952-12-02
1212927N/A1917-01-16