Simple, Patent-Pending Design Development

I'm seeking an experienced designer to refine a simple, cost-efficient product design that I have a provisional patent for. A Non-Disclosure Agreement (NDA) is required to discuss details.

Key Requirements:
- Focus on functionality, particularly ease of use
- Work with cost-efficient, simple-to-manufacture materials
- Experience with patent-pending designs is a plus

Ideal Skills and Experience:
- Strong background in product design
- Expertise in enhancing ease of use
- Familiarity with NDAs and confidentiality agreements

Please provide your portfolio and relevant experience in your bids.