Assignee
DUFF ALAN JOHN
2 granted patents·9 citations·filing 2006–2009
Top patents by PatentIndex Score
2 records- 0164US7607364B2Method and apparatus for simplified and hygienic access to a fluid chamberDUFF ALAN JOHN·Filed 2006·Granted Oct 27, 2009·7 cites·20 claims
- 0253US8215193B2Method and apparatus for simplified and hygienic access to a fluid chamberDUFF ALAN JOHN·Filed 2009·Granted Jul 10, 2012·2 cites·23 claims
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