Inventor

LEDDA RALF

DE2 patents

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

ALBER ULRICH GMBH

1 patent

US7100716B2Sep 5, 2006

Modular wheel chair

ALBER ULRICH GMBH49 citations86

BIRMANNS THOMAS

1 patent

US8641070B2Feb 4, 2014

Drive assistance device, wheelchair and method for determination of the physical efficiency and muscular effort data of a wheelchair driver

BIRMANNS THOMAS8 citations77