4. Earth working
  5. Mast type hitch

Nathan Mammen

Examiner

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Adjustable height head for string trimmer

Harvesters – Motorized harvester – Including cutter yieldably mounted on its drive means
Patent

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Adjustable link assembly

Earth working – Mast type hitch
Reexamination Certificate

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Adjustable-width attachment for agricultural machines

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly
Patent

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Adjustment device for hydraulic cylinders

Harvesters – Motorized harvester – With condition-responsive operation
Patent

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Aerator attachment

Earth working – Lawn aerator or perforator – or plug remover
Reexamination Certificate

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Profile ID: LFUS-PAI-P-347907

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