Individual holder
SEIFERT JOHN M
US·4 granted patents·277 citations·filing 2011–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0198US9072657B2Pressure-regulating vial adaptors and methodsSEIFERT JOHN M·Filed 2011·Granted Jul 7, 2015·66 cites·18 claims
- 0298US9060921B2Air-filtering vial adaptors and methodsSEIFERT JOHN M·Filed 2012·Granted Jun 23, 2015·71 cites·24 claims
- 0398US9005180B2Vial adaptors and methods for regulating pressureSEIFERT JOHN M·Filed 2011·Granted Apr 14, 2015·72 cites·19 claims
- 0498US8992501B2Pressure-regulating vial adaptors and methodsSEIFERT JOHN M·Filed 2012·Granted Mar 31, 2015·68 cites·7 claims
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