Title:
Test tube holder
United States Patent 3062380


Inventors:
Grela, Milton W.
Dingee Jr., Alexander L. M.
Application Number:
US5187760A
Publication Date:
11/06/1962
Filing Date:
08/25/1960
Assignee:
MASSEY DICKINSON COMPANY INC
Primary Class:
International Classes:
B01L9/06
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US Patent References:
Foreign References:
GB411326A1934-06-07
DE833867C1952-03-13
FR720781A1932-02-24