4. Metal working
  5. Method of mechanical manufacture
  6. Gas and water specific plumbing component making

Donald D. Bartholomew

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Adaptive connector assembly

Pipe joints or couplings – With fluid pressure seal – Separate retainer or positioner
Patent

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Air movement profiler

Land vehicles: bodies and tops – Bodies – With distinct wind deflector
Patent

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Apparatus and method for a push assemble retaining ring

Pipe joints or couplings – Essential catch – Resilient ring
Patent

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Apparatus for and method of attaching conduits to a fitting

Pipe joints or couplings – With assembly means or feature – With holding means functioning only during transportation...
Patent

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Apparatus for and method of attaching hoses and tubes to a fitti

Pipe joints or couplings – Nonmetal to metal – Internal member
Patent

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Profile ID: LFUS-PAI-P-33232

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