Assignee
KELCH GERHARD
3 granted patents·12 citations·filing 2003–2011
Top patents by PatentIndex Score
3 records- 0175US9417461B2Optical lens, in particular for use as a spectacle lensKELCH GERHARD·Filed 2011·Granted Aug 16, 2016·2 cites·4 claims
- 0257US7556381B2Method for producing a lens and a lens produced therebyKELCH GERHARD·Filed 2003·Granted Jul 7, 2009·10 cites·22 claims
- 0343US8297753B2Method for determining correction characteristics for a vision aidKELCH GERHARD·Filed 2007·Granted Oct 30, 2012·0 cites·14 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →