Stephen W. Amberg

📍 Toledo, OH: #26 of 73 inventorsTop 40%

🗺 Ohio: #1,853 of 6,034 inventorsTop 35%

Overall (2011): #162,339 of 364,097Top 45%

Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8063294	Musical instrument practice system	—	2011-11-22