EM

Ernest M. Mattox

📍 Independence, MO: #11 of 256 inventorsTop 5%
🗺 Missouri: #1,448 of 23,789 inventorsTop 7%
Overall (All Time): #373,521 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11833390 Controlled squat strength-training machine 2023-12-05
10799752 Adjustable trap bar Alex Shmuylovich 2020-10-13
7614986 Abdominal exercise device 2009-11-10
6652431 Squat exercise hook harness 2003-11-25
5499961 Kneeling-prone-kneeling exercise device 1996-03-19
5261866 Wheeled exercise device 1993-11-16
4789154 Neck exercise device 1988-12-06
4699376 Hip and knee joint exercising apparatus Andrew J. Van Noord 1987-10-13
4641832 Wrist/ankle exercising apparatus 1987-02-10
4569519 Shoulder exercising apparatus Andrew J. Van Noord 1986-02-11
4563004 Friction type isokinetic exercise mechanism 1986-01-07
4505474 Weighted elastomeric jumping device 1985-03-19
4249725 Exercise apparatus 1981-02-10