CH6665A
(en )
1893-10-14
Device for securing the closure of letters against unauthorized opening
CH31670A
(en )
1905-04-30
Device for securing doors against unauthorized opening
FR373269A
(en )
1907-05-07
Security letter box
CH48062A
(en )
1910-09-16
Device for securing bicycles against theft
CH55184A
(en )
1912-07-16
Device for securing wire swivel bottle closures against unauthorized opening
CH44490A
(en )
1909-08-16
Device for locking keyholes to prevent unauthorized opening of the locks
CH40322A
(en )
1908-07-01
Device for the evaporation of liquids
CH7752A
(en )
1894-06-15
Device for locking and unlocking the signal boxes (section block)
CH49691A
(en )
1911-03-16
Device for indicating the unauthorized opening of a lock
AT23984B
(en )
1906-04-25
Device for fastening lantern discs.
CH49453A
(en )
1911-02-16
Device for switching on the engine of speaking machines
CH46133A
(en )
1910-02-01
Device on doors to secure them against unauthorized opening
CH49589A
(en )
1911-03-01
Device to prevent ties from slipping
CH6710A
(en )
1893-10-31
Device for determining the content of hollow vessels
CH40261A
(en )
1908-06-16
Securing device on money containers provided with an insertion channel for coins against unauthorized removal of the contents
CH32773A
(en )
1905-09-15
Device for attaching inner capsule closures to bottles
CH37580A
(en )
1907-06-30
Bottle neck closure device
CH7595A
(en )
1894-06-30
Motor regulation device
CH8938A
(en )
1895-02-15
Improved device for bending cardboard and the like
FR353540A
(en )
1905-09-13
Security device for locks
CH5711A
(en )
1893-02-28
Device for operating the striking mechanism of electric and other pendulum clocks
AT25217B
(en )
1906-08-10
Device for fastening the protective cover of barrel jackets in the rim.
FR371190A
(en )
1907-02-28
Tamper-proof mailbox
CH5918A
(en )
1893-04-29
Security lock
FR10498E
(en )
1909-07-12
Security clip system, ensuring the inviolability of boxes