CB

Charles F. Butler

📍 Kalamazoo, MI: #581 of 1,283 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,109,589 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7981063 Method of simulated wave massage of the body — 2011-07-19
7442174 Simulated wave massage — 2008-10-28