Inventor · disambiguated record
David S. Teppo
Also filed as: ROOSSIEN CHARLES P · TEPPO DAVID S
31 granted patents·1 pending application·2,375 citations·filing 1989–2008
98Inventor score
Top patents by PatentIndex Score
32 records- 0199US7427105B2Back construction for seating unitSTEELCASE INC·Filed 2006·Granted Sep 23, 2008·102 cites·44 claims
- 0299US7131700B2Back construction for seating unitSTEELCASE DEV CORP·Filed 2005·Granted Nov 7, 2006·130 cites·55 claims
- 0399US6991291B2Back construction for seating unit having spring biasSTEELCASE DEV CORP·Filed 2005·Granted Jan 31, 2006·109 cites·36 claims
- 0499US6394549B1Seating unit with reclineable back and forwardly movable seatSTEELCASE DEV CORP·Filed 2000·Granted May 28, 2002·157 cites·48 claims
- 0598US7114777B2Chair having reclineable back and movable seatSTEELCASE DEV CORP·Filed 2004·Granted Oct 3, 2006·88 cites·107 claims
- 0698US6394546B1Lumbar deviceSTEELCASE DEV CORP·Filed 2000·Granted May 28, 2002·260 cites·41 claims
- 0798US5979984ASynchrotilt chair with forwardly movable seatSTEELCASE DEV INC·Filed 1997·Granted Nov 9, 1999·143 cites·33 claims
- 0898US5975634AChair including novel back constructionSTEELCASE DEV INC·Filed 1997·Granted Nov 2, 1999·272 cites·59 claims
- 0997US6394545B2Back for seating unitSTEELCASE DEV CORP·Filed 2001·Granted May 28, 2002·85 cites·10 claims
- 1097US6367877B1Back for seating unitSTEELCASE DEV CORP·Filed 2000·Granted Apr 9, 2002·79 cites·19 claims
- 1197US6349992B1Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2000·Granted Feb 26, 2002·92 cites·69 claims
- 1296US7712834B2Back support for seating unitSTEELCASE INC·Filed 2008·Granted May 11, 2010·41 cites·12 claims
- 1396US7040709B2Back construction for seating unit having inverted U-shaped frameSTEELCASE DEV CORP·Filed 2005·Granted May 9, 2006·40 cites·46 claims
- 1496US6460928B2Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2001·Granted Oct 8, 2002·65 cites·32 claims
- 1594US6905171B2Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2003·Granted Jun 14, 2005·49 cites·78 claims
- 1693USD442791SChairSTEELCASE DEV INC·Filed 2000·Granted May 29, 2001·43 cites·1 claims
- 1793USD414349SChairSTEELCASE INC·Filed 1997·Granted Sep 28, 1999·46 cites·1 claims
- 1893US5577807AAdjustable chair actuatorSTEELCASE INC·Filed 1994·Granted Nov 26, 1996·158 cites·31 claims
- 1993USD360316SChairSTEELCASE INC·Filed 1993·Granted Jul 18, 1995·60 cites·1 claims
- 2091US4951995AArm height adjustment mechanism for a chairSTEELCASE INC·Filed 1989·Granted Aug 28, 1990·91 cites·23 claims
- 2190USD367980SChair seatSTEELCASE INC·Filed 1994·Granted Mar 19, 1996·43 cites·1 claims
- 2285US6662731B2Nestable table with slotted table topSTEELCASE DEV CORP·Filed 2001·Granted Dec 16, 2003·39 cites·12 claims
- 2382USD439451SBack for a seating unitSTEELCASE DEV INC·Filed 1999·Granted Mar 27, 2001·19 cites·1 claims
- 2480USD442400SSeating unitSTEELCASE DEV INC·Filed 2000·Granted May 22, 2001·19 cites·1 claims
- 2576US6554364B1Articulating armrestSTEELCASE DEV CORP·Filed 1995·Granted Apr 29, 2003·53 cites·56 claims
- 2674US5234187AChair height adjustment mechanismSTEELCASE INC·Filed 1992·Granted Aug 10, 1993·43 cites·35 claims
- 2764US6227635B1Storage cabinet with handle operated doorSTEELCASE DEVELOPMENTS INC·Filed 1999·Granted May 8, 2001·30 cites·33 claims
- 2860USD421540SChair backSTEELCASE INC·Filed 1999·Granted Mar 14, 2000·10 cites·1 claims
- 2945USD438733SLumbar region of a chair backSTEELCASE DEV INC·Filed 1999·Granted Mar 13, 2001·5 cites·1 claims
- 3044US2004124679A1Shape-changing support, such as for seatingFiled 2003·Application pending·0 cites
- 3143USD372611SChair seatSTEELCASE INC·Filed 1994·Granted Aug 13, 1996·4 cites·1 claims
- 3229USD383019SChair actuatorSTEELCASE INC·Filed 1995·Granted Sep 2, 1997·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →