Inventor

LEFTWICH EDWARD

2 patents

⚠️ This page may combine multiple inventors who share the name “LEFTWICH EDWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STEP COMPANY

1 patent

US5213554AMay 25, 1993

Stepping device

STEP COMPANY70 citations93

THE STEP COMPANY

1 patent

USD337362SJul 13, 1993

Exercise step

THE STEP COMPANY59 citations91