9 h 45 min, 29 nov 1994 ans - NOV 29, 1994, Patent Granted for Modern Bulletproof Glass, Filed by William P. Stephenson, this patent is alternating sheets of slightly flexible glass and poly-carbonate
Ajouté au bande de temps:
Date:
9 h 45 min, 29 nov 1994 ans
Maintenaint
~ Il y a 30 ans