Inventor · disambiguated record
William D. Lipford
Also filed as: LIPFORD WILLIAM D
3 granted patents·2 pending applications·128 citations·filing 1997–2010
75Inventor score
Technology areasA61G
Top patents by PatentIndex Score
5 records- 0180US5865457AWheeled health care chairLA Z BOY INC·Filed 1997·Granted Feb 2, 1999·87 cites·86 claims
- 0279US7540565B2Lift chairLIPFORD WILLIAM D·Filed 2006·Granted Jun 2, 2009·34 cites·19 claims
- 0348USD398565SChairLA Z BOY INC·Filed 1997·Granted Sep 22, 1998·7 cites·1 claims
- 0439US2011121625A1Lift chairSAFETY LIFT CHAIR ASSOCIATES LLC·Filed 2010·Application pending·0 cites
- 0539US2011121626A1Lift chairSAFETY LIFT CHAIR ASSOCIATES LLC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →