4. Earth working
  5. Guided by walking attendant; supported, propelled, or held...
  6. Hand tool

Gregg Martell

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Combined paper guide and work table for typewriter

Printing and office machinery – Typewriter or calculator – Element or attachment
Patent

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Multiple use cultivating tool

Earth working – Guided by walking attendant; supported – propelled – or held... – Hand tool
Patent

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Safety electrical wall outlet

Electrical connectors – With supporting means for coupling part – Outlet box
Patent

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Profile ID: LFUS-PAI-P-532327

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