Inventor

CHANG DICK

TW5 patents

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

NAUTILUS INC

2 patents

US7097593B2Aug 29, 2006

Combination of treadmill and stair climbing machine

NAUTILUS INC95 citations95

US7819779B2Oct 26, 2010

Combination of treadmill and stair climbing machine

NAUTILUS INC29 citations90

(unassigned)

2 patents

US6746374B2Jun 8, 2004

Folding device for treadmills

22 citations89

US6746376B2Jun 8, 2004

Folding structure for treadmill

13 citations80

CHANG DICK

1 patent

US7140485B1Nov 28, 2006

Lubrication device for endless belt of treadmills

CHANG DICK11 citations77