JD

James A. Duncan

SP Stairmaster Sports/Medical Products: 2 patents #1 of 5Top 20%
📍 Renton, WA: #1 of 50 inventorsTop 2%
🗺 Washington: #104 of 1,789 inventorsTop 6%
Overall (1994): #30,916 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5354248 Exercise apparatus R. Lee Rawls 1994-10-11
5312313 Device to prevent binding of a guidance system for an upper body exercise apparatus Fred H. Holmes, Robert Lee Rawls 1994-05-17