Inventor · disambiguated record
James A. Perkins
Also filed as: KLAASEN II GARDNER J · PERKINS JAMES A
7 granted patents·902 citations·filing 1997–2003
92Inventor score
Technology areasA47C
Top patents by PatentIndex Score
7 records- 0198US6394546B1Lumbar deviceSTEELCASE DEV CORP·Filed 2000·Granted May 28, 2002·260 cites·41 claims
- 0298US5975634AChair including novel back constructionSTEELCASE DEV INC·Filed 1997·Granted Nov 2, 1999·272 cites·59 claims
- 0397US6394545B2Back for seating unitSTEELCASE DEV CORP·Filed 2001·Granted May 28, 2002·85 cites·10 claims
- 0497US6367877B1Back for seating unitSTEELCASE DEV CORP·Filed 2000·Granted Apr 9, 2002·79 cites·19 claims
- 0597US6349992B1Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2000·Granted Feb 26, 2002·92 cites·69 claims
- 0696US6460928B2Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2001·Granted Oct 8, 2002·65 cites·32 claims
- 0794US6905171B2Seating unit including novel back constructionSTEELCASE DEV CORP·Filed 2003·Granted Jun 14, 2005·49 cites·78 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →