HC

Huang-Tung Chang

Overall (All Time): #466,899 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8206801 Buffer board for treadmill 2012-06-26
7402126 Elliptical exerciser with adjustable guiding rails 2008-07-22
7077788 Cushion device for treadmills 2006-07-18
6860837 Surfing exerciser 2005-03-01
6855095 Folding mechanism for treadmills 2005-02-15
6726602 Lifting and folding device for running exercise machine 2004-04-27
6318517 Mechanism for effecting resistance 2001-11-20
6310416 Resisting and pulling mechanism 2001-10-30
6283901 Device for effecting resistance 2001-09-04
5515843 Three-layer helmet assembly with breathing gas throttle 1996-05-14
5460174 Oxygen supplying system having flow control throttle 1995-10-24