4. Refrigeration
  5. Refrigeration producer
  6. Sorbent type

John R. Ferguson

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Absorber for a diffusion absorption plant

Refrigeration – Refrigeration producer – Sorbent type
Patent

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Absorption refrigerating unit

Refrigeration – Refrigeration producer – Sorbent type
Patent

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Automatic control selector for a compressor system

Pumps – Condition responsive control of pump drive motor – Having timer or delay means
Patent

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Broadcast lottery

Amusement devices: games – Chance devices – Chance selection
Patent

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Data object access system and method using dedicated task...

Data processing: database and file management or data structures – File or database maintenance
Reexamination Certificate

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Profile ID: LFUS-PAI-P-187549

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