History – On January 20, 1857, William Kelly patented the blast furnace for manufacturing steel. The same basic process was discovered independently by Henry Bessemer…
Tag: Blast
Patented building structure that is designed to survive blast or projectile impact, like the one experienced during 911 attacks
Blast and penetration resistant building structures have been used for many years to protect inhabitants from a variety of natural destructive forces (e.g., tornadoes) as…