Forum: Patent & Propriety Locks
Post in this forum locks that demonstrate a Patent, or a Security Feature or even a Brand Name or Logo. You will find here Locks for: Doors, Furniture, Safes, Vaults, including: Combination Locks for Safes, Key Locks for Safes, Time Locks & Bolt Motors, Unit Locks, etc.
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Only just found this thread. Around the turn of the century, Yale began exporting a small-case cylinder rim latch to Britain. Several British makers copied this, as the early patents had expired....
CHUBB rim lock