4. Locks
  5. Operating mechanism
  6. Key

Ernst Keller

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Automatic dip trimmer apparatus

Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent

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Ball retrieving and storage device

Material or article handling – Motion or draft responsive load handler and transporter
Patent

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Built-in safety device and key for a safety lock

Locks – Operating mechanism – Key
Reexamination Certificate

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Combined security key and cap

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Diffuser gravity support

Coating processes – Direct application of electrical – magnetic – wave – or... – Plasma
Reexamination Certificate

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Profile ID: LFUS-PAI-P-95821

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