AR243960A1 - A device to be used in any lock or bolt, defined as "a security system for armour plated doors opened with combination key".
- Google Patents
A device to be used in any lock or bolt, defined as "a security system for armour plated doors opened with combination key".
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Application filed by Silvio Gurwicz Carlos GausteinfiledCriticalSilvio Gurwicz Carlos Gaustein
Priority to AR31771690ApriorityCriticalpatent/AR243960A1/en
Application grantedgrantedCritical
Publication of AR243960A1publicationCriticalpatent/AR243960A1/en
AR31771690A1990-08-301990-08-30A device to be used in any lock or bolt, defined as "a security system for armour plated doors opened with combination key".
AR243960A1
(en)
New or improved draw bolt locking devices with unique locks,and new unique sliding and adjustable expanding hasp and adjustable expanding hasp and staple devices for additional security