4. Metal working
  5. Method of mechanical manufacture
  6. Assembling or joining

John Papsdorf

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Circle drafting template

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Guide
Patent

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Method of making a hinge with an integral pintle

Metal working – Hinge making or assembling
Patent

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Motor vehicle

Land vehicles: bodies and tops – Bodies – Camper
Reexamination Certificate

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Truss fabrication apparatus and method of making a truss

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Profile ID: LFUS-PAI-P-669012

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