Improvements in the systems of operation of locks, especially locks of secret or combination (Machine-translation by Google Translate, not legally binding)
US2750787A
Safety lock
ES181884A1
Lock of vertical guards with multiple latches
ES178673A1
Mechanism of guardaa for locks
ES178195A1
A lock for interior doors with lock insurance
ES178190A1
Improvements in the construction of locks
US2566967A
Secret or combination lock
US2598457A
Push-button operated permutation lock
ES173508A1
Mechanism of secret or combination for arches and flow boxes
ES169445A1
Improvements in the hit locks
ES168813A1
Installation of alarm against theft
ES167908A1
Secret or combination lock
ES142401A1
Improvements in the guides for file drawers and metal files.
ES142335A1
Lock mechanism for file cabinets and metal files of drawers.
