United States Patents:

Projectile penetration resistance assemblies

US-11029132-B2

https://ppubs.uspto.gov/dirsearch-public/print/downloadPdf/11029132

Projectile penetration resistance assemblies

US-10539399-B2

https://ppubs.uspto.gov/dirsearch-public/print/downloadPdf/10539399

Projectile penetration resistance assemblies

US-11287224-B2

https://ppubs.uspto.gov/dirsearch-public/print/downloadPdf/11287224

Mexico Patents:

 Projectile penetration resistance assemblies

MX 404665

Europe Patents:

Projectile penetration resistance assemblies

11846494