Assignee

CALHOUN JOHN

US·3 granted patents·19 citations·filing 1993–2012

Technology mixB21D1 F04C1

Top patents by PatentIndex Score

3 records

0154US5329797ATube-resizing toolCALHOUN JOHN·Filed 1993·Granted Jul 19, 1994·12 cites·6 claims
0250US8622724B2Scroll pump with isolation barrierCALHOUN JOHN·Filed 2009·Granted Jan 7, 2014·0 cites·18 claims
0348USD689040SSpeaker enclosureCALHOUN JOHN·Filed 2012·Granted Sep 3, 2013·7 cites·1 claims

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