Browse Items (22 total) Tags: Wheelchairs Browse All Browse by Tag Search Items Sort by: Title Creator Date Added / 3 pages Front and side of Klein power chair prototype and close-up of the battery pack. George Johann Klein, National Research Council, 1950 Patent drawings of a wood and rattan three-wheeled wheelchair with a motor on a platform under the seat. Ida Schmidt, June 30, 1903 Sort by: Title Creator Date Added / 3 pages Output Formats atom, dcmes-xml, json, omeka-xml, rss2