Assignee
CHELGREN ERIC MARK
2 granted patents·1 pending application·20 citations·filing 2003–2013
Top patents by PatentIndex Score
3 records- 0165US7032917B1Rear suspension for wheelchairCHELGREN ERIC MARK·Filed 2003·Granted Apr 25, 2006·18 cites·5 claims
- 0251US8011680B2Wheelchair suspension systemCHELGREN ERIC MARK·Filed 2009·Granted Sep 6, 2011·2 cites·3 claims
- 0345US2014100490A1Inhalant delivery system for massage apparatusCHELGREN ERIC MARK·Filed 2013·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →