Patents
USA
6494919 Crutch Device
9408443 Hands Free Crutch
10624810 Hands-Free Crutch
Canada
2284952 Crutch Device
2326678 Crutch Device
China
ZL 2012 8 0063131.3 Hands-Free Crutch
Mexico
363744 Hands-Free Crutch (Muleta de Manos Libres)