Inventor

SPARKMAN JOHN

US3 patents

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

HILL ROM SERVICES INC

1 patent

US9687401B2Jun 27, 2017

Person support apparatuses having exercise therapy features

HILL ROM SERVICES INC38 citations89

ZERHUSEN ROBERT M

1 patent

US8701230B2Apr 22, 2014

Core instability system

ZERHUSEN ROBERT M3 citations59

LIMBITLESS SOLUTIONS INC

1 patent

US10426370B2Oct 1, 2019

Electromyographic controlled vehicles and chairs

LIMBITLESS SOLUTIONS INC1 citations44