Patenting a Better Way to ExerciseJuly 17, 2024

Vibrating massage for decades was considered a good way to exercise. But most machines had only one speed. The Vibrating Massage Machine, patent 2,860,630 filed and defended by Don Zarley, offered an infinite number of speeds within certain limits and an easy way to change speeds. The invention made the exercise machine more durable, economical, and useful.