4. Recording, communication, or information retrieval equipment
  5. Computer, data processor equipment
  6. Peripheral equipment

Richard Acosta

Inventor

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Drive-in service establishment

Merchandising – Customer service – Store service
Patent

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Foldable keyboard

Typewriting machines – Key-board or key lever-actuating mechanism
Reexamination Certificate

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Hinge key switch

Electricity: circuit makers and breakers – Electric switch details – Actuators
Reexamination Certificate

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Wireless keyboard

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Peripheral equipment
Patent

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Profile ID: LFUS-PAI-P-1120653

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