4. Excavating
  5. Snow or ice removing or grooming by portable device
  6. Railway clearer

Douglass W. Steiger

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Attachment device for a fork lift

Material or article handling – Wheeled – load-transporting type vehicles and means for... – Means is confined to one of the vehicles
Patent

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Basket hanger

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

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Geothermal heating system and method of installing the same

Heat exchange – Geographical
Patent

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Scraper vehicle

Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent

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Profile ID: LFUS-PAI-P-711878

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