USD638138SActiveUtility
Test tube rack
Est. expiryNov 23, 2030(~4.3 yrs left)· nominal 20-yr term from priority
Inventors:Johnson N. S. Wong
84
PatentIndex Score
31
Cited by
15
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a test tube rack, as shown and described.
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