Individual holder
COPELAN HERBERT W
US·3 granted patents·66 citations·filing 1989–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0149US5039616AMethod for prevention of specimen tampering in substance abuse testing and test area relating theretoCOPELAN HERBERT W·Filed 1989·Granted Aug 13, 1991·33 cites·39 claims
- 0236US5133935ATest area for prevention of specimen tampering in substance abuse testingCOPELAN HERBERT W·Filed 1991·Granted Jul 28, 1992·25 cites·18 claims
- 0330US5223221AMethod to prevent tampering with urine specimens and the means relating theretoCOPELAN HERBERT W·Filed 1992·Granted Jun 29, 1993·8 cites·27 claims
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