Stair exerciser apparatus

Assignee

• Johnson Health Tech Co.

Inventors

• Mrako A. Fenster (14 patents)
• Derek Nelson (13 patents)
• Chih-Ming Lai (391 patents)
• Kung-Lung Lai (4 patents)
• Chieh-Wen Lin (12 patents)
• Ming-Hsin Chi (4 patents)
• Chinh-Kuo Huang (4 patents)
• Yung-Fa Wang (8 patents)

View full patent text on Google Patents →