4. Handling: hand and hoist-line implements
  5. Spears

Donald E. Williams

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Apparatus for subsoil application

Planting – Liquid or gas soil treatment – Hand manipulated
Patent

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Appliance for a book or the like

Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent

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Complete production line of wood I-joist manufacturing apparatus

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent

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Dual mode solid state power switch

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Furrow opener and follower blade

Planting – Drilling – Lister units
Patent

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Profile ID: LFUS-PAI-P-563694

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