05169603 is referenced by 33 patents and cites 9 patents.

A plurality of test tube racks are disposed side by side and coupled together at their opposite sides via clamps to form a modular test tube rack arrangement. A handle or handles engage(s) the clamps to provide a balanced pivot handle arrangement for transporting a modular set of connected racks.

Title
Modular test tube rack arrangement
Application Number
7/739164
Publication Number
5169603
Application Date
August 1, 1991
Publication Date
December 8, 1992
Inventor
David Landsberger
52 Washburn Pl., Caldwell, 07006
NJ, US
Agent
Anthony F Cuoco
IPC
B01L 9/06
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