约 505,000 个结果
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  1. Davison - Invention Ideas, New Product Ideas, Help ...

  2. Best Invention and Patent Services - ConsumerAffairs

  3. InventionHome - Over 20 years of helping inventors patent ...

  4. InventHelp | Helping Inventors with Their Invention Ideas ...

  5. Invention City - Inventor Help: Prototype, Patent, License ...

  6. Inventor Services: Invention Help, Design & Sell Inventions ...

  7. MAKO Design + Invent | Industrial Design, Mechanical Design ...

  8. Inventor Help: Concept, Prototype, Engineer + Production ...

  9. We help inventors, product designers & engineers license ...

  10. T2 Design & Prototype - Product Design & Invention Prototypes

  11. 某些结果已被删除