Michael Matievich

📍 North Versailles, PA: #33 of 99 inventorsTop 35%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,343,404 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4674217	Firearm with reversible barrel	—	1987-06-23
4494332	Firearm capable of firing different-sized cartridges	—	1985-01-22