Inventor
JOHNSON ALEXANDER M
US11 patents
Patents
11 patentsUS11446535B1Sep 20, 2022
Folding exercise rack system
PRX PERFORMANCE LLC28 citations92
US12005289B1Jun 11, 2024
Lever arm system
PRX PERFORMANCE LLC8 citations83
US11446539B1Sep 20, 2022
Retractable wall mountable inclinable bench system
PRX PERFORMANCE LLC10 citations82
US11872436B2Jan 16, 2024
Exercise rack pulley system
PRX PERFORMANCE LLC4 citations69
US12303730B2May 20, 2025
Lever arm system
PRX PERFORMANCE LLC1 citations61
US12102864B2Oct 1, 2024
Folding exercise rack system
PRX PERFORMANCE LLC0 citations61
US11766585B2Sep 26, 2023
Folding exercise rack system
PRX PERFORMANCE LLC1 citations61
US11771945B2Oct 3, 2023
Retractable wall mountable inclinable bench system
PRX PERFORMANCE LLC0 citations59
US11617916B2Apr 4, 2023
Retractable wall mountable inclinable bench system
PRX PERFORMANCE LLC0 citations59
US12208302B2Jan 28, 2025
Exercise rack pulley system
PRX PERFORMANCE LLC0 citations57
US12145045B2Nov 19, 2024
Wall mounted dumbbell and kettlebell storage shelf
PRX PERFORMANCE LLC0 citations47