Title:
Test tube cleaning device and method
United States Patent 2744842


Inventors:
Golden, Catherine C.
Application Number:
US37933653A
Publication Date:
05/08/1956
Filing Date:
09/10/1953
Assignee:
Golden, Catherine C.
Primary Class:
Other Classes:
134/34, 134/156, 134/159, 134/166R
International Classes:
B01L99/00
View Patent Images: