Inventor
DUNCAN JAMES A
US22 patents
⚠️ This page may combine multiple inventors who share the name “DUNCAN JAMES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAUTILUS INC
7 patentsUS6689019B2Feb 10, 2004
Exercise machine
NAUTILUS INC175 citations98
US7341542B2Mar 11, 2008
Exercise machine
NAUTILUS INC39 citations96
US7942787B2May 17, 2011
Exercise machine
NAUTILUS INC19 citations92
US7632219B2Dec 15, 2009
Exercise machine
NAUTILUS INC22 citations92
US10201727B2Feb 12, 2019
Exercise machine
NAUTILUS INC3 citations84
US9272182B2Mar 1, 2016
Exercise machine
NAUTILUS INC5 citations84
US8858403B2Oct 14, 2014
Exercise machine
NAUTILUS INC5 citations84
STAIRMASTER SPORTS MED PROD
5 patentsUS5910072AJun 8, 1999
Exercise apparatus
STAIRMASTER SPORTS MED PROD169 citations98
US5354248AOct 11, 1994
Exercise apparatus
STAIRMASTER SPORTS MED PROD88 citations96
US5499959AMar 19, 1996
Upper body exercise apparatus
STAIRMASTER SPORTS MED PROD73 citations94
US5312313AMay 17, 1994
Device to prevent binding of a guidance system for an upper body exercise apparatus
STAIRMASTER SPORTS MED PROD39 citations94
US5565002AOct 15, 1996
Exercise apparatus
STAIRMASTER SPORTS MED PROD27 citations92