Individual holder
AMEND JOHN R
US·3 granted patents·63 citations·filing 2002–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0188US8638433B1Visual spectrophotometerAMEND JOHN R·Filed 2012·Granted Jan 28, 2014·12 cites·2 claims
- 0284US7046347B1Instrument with colorimeter and sensor inputs for interfacing with a computerAMEND JOHN R·Filed 2002·Granted May 16, 2006·41 cites·6 claims
- 0375US7414255B1Drop counterAMEND JOHN R·Filed 2006·Granted Aug 19, 2008·10 cites·3 claims
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