Barry A. Butler

📍 Owatonna, MN: #8 of 18 inventorsTop 45%

🗺 Minnesota: #2,374 of 7,038 inventorsTop 35%

Overall (2021): #520,922 of 548,734Top 95%

Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10888447	Energy return orthotic systems	—	2021-01-12