Inventor · disambiguated record
Edward Leftwich
Also filed as: LEFTWICH EDWARD · LEFTWICH EDWARD F
3 granted patents·199 citations·filing 1991–1991
78Inventor score
Technology areasA63B
Top patents by PatentIndex Score
3 records- 0191USD337362SExercise stepTHE STEP COMPANY·Filed 1991·Granted Jul 13, 1993·59 cites·1 claims
- 0282US5158512AAdjustable stepping structure for aerobic exercisesSPORTS STEP INC·Filed 1991·Granted Oct 27, 1992·70 cites·10 claims
- 0381US5213554AStepping deviceSTEP COMPANY·Filed 1991·Granted May 25, 1993·70 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →