
Leon Wilhelm
Stunning product design
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Esperienza lavorativa
Freelance Patent Illustrator & CAD Designer
Freelancer.com • Freelance
Apr 2026 - Present • 1 mo
I specialize in creating professional USPTO patent drawings, technical line drawings, and 3D CAD models for inventors, startups, and engineering professionals. My work focuses on producing accurate, clean, and fully compliant illustrations that meet USPTO and international patent standards. I convert rough sketches, concepts, and technical ideas into publication-ready patent visuals including multiple views, exploded diagrams, and detailed engineering drawings. I ensure precision, clarity, and compliance in every project to support smooth patent submission and reduce rejection risks. I have successfully worked with clients across product design, mechanical systems, and industrial inventions, delivering high-quality CAD modeling and patent illustration services with fast turnaround and strong attention to detail.