4. Locks
  5. Operating mechanism
  6. Key

Donald R. Hughes

Inventor

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Key assembly

Locks – Operating mechanism – Key
Patent

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Key bow cover

Locks – Parts – attachments – accessories and adjuncts – For key-operated mechanism
Patent

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Key operated lock

Locks – Operating mechanism – Key
Patent

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Key operated lock

Locks – Operating mechanism – Key
Patent

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Lock picking apparatus

Locks – Operating mechanism – Key
Reexamination Certificate

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Profile ID: LFUS-PAI-P-7355

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