4. Locks
  5. Operating mechanism
  6. Using a powered device

Dieter Butterweck

Inventor

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Electronic input and dial entry lock

Locks – Operating mechanism – Using a powered device
Patent

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Electronic input and dial entry lock

Locks – Operating mechanism – Using a powered device
Reexamination Certificate

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Electronic input and dial entry lock

Locks – Operating mechanism – Using a powered device
Patent

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Pawl & solenoid locking mechanism

Locks – Operating mechanism – Using a powered device
Patent

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Programmable electronic time lock

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Profile ID: LFUS-PAI-P-188345

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