MR

Marjorie H. Roth

📍 Ann Arbor, MI: #3,831 of 6,071 inventorsTop 65%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,960,102 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4774729 Athletic helmet face mask attachment Thomas B. Coates, Jr., John Roth 1988-10-04