Matthew D. Richardson

OL Olin: 1 patents #449 of 783Top 60%

📍 Florissant, MO: #227 of 452 inventorsTop 55%

🗺 Missouri: #13,067 of 23,789 inventorsTop 55%

Overall (All Time): #3,241,869 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D633166	Disc-shaped projectile for a shot shell	Angela C. Berring	2011-02-22