Title:
Electrical calf weaner
United States Patent 2628592


Inventors:
Johnston, Roy LE. M.
Application Number:
US13947150A
Publication Date:
02/17/1953
Filing Date:
01/19/1950
Assignee:
Johnston, Roy LE. M.
Primary Class:
Other Classes:
119/822, 119/908
International Classes:
A01K19/00
View Patent Images:
US Patent References:
2510337Calf weaner1950-06-06
2263503Electric calf weaner1941-11-18
2212160Calf weaner1940-08-20