MC

Michael Andrew Calvert

📍 Blackburn, GB: #1 of 6 inventorsTop 20%
Overall (1989): #77,367 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4883262 Device containing a force-imparting means and equipped with safety means 1989-11-28