Inventor · disambiguated record
Ralph L. Langen
Also filed as: LANGEN RALPH · LANGEN RALPH L
10 granted patents·374 citations·filing 1996–2012
92Inventor score
Technology areasH04N
Top patents by PatentIndex Score
10 records- 0198USD390712SChairKIMBALL INT INC·Filed 1996·Granted Feb 17, 1998·147 cites·1 claims
- 0297USD446033SDesk chairKIMBALL INT·Filed 2000·Granted Aug 7, 2001·91 cites·1 claims
- 0388USD446037SSide chairKIMBALL INT·Filed 2000·Granted Aug 7, 2001·38 cites·1 claims
- 0477USD662733SLounge endMETCALF KEITH E·Filed 2011·Granted Jul 3, 2012·22 cites·1 claims
- 0574USD668892SLounge endMETCALF KEITH E·Filed 2012·Granted Oct 16, 2012·20 cites·1 claims
- 0669USD680347SLoungeMETCALF KEITH E·Filed 2011·Granted Apr 23, 2013·16 cites·1 claims
- 0765US6940549B2Image sensor signal defect correctionKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Sep 6, 2005·7 cites·13 claims
- 0864USD688476SBenchMETCALF KEITH E·Filed 2011·Granted Aug 27, 2013·13 cites·1 claims
- 0964USD671333SLounge corner unitMETCALF KEITH E·Filed 2011·Granted Nov 27, 2012·13 cites·1 claims
- 1051USD695038SLoungeMETCALF KEITH E·Filed 2011·Granted Dec 10, 2013·7 cites·1 claims
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