Company Filing History:
Years Active: 1989
Title: I David Hill: Innovator in Waterproof Shoe Technology
Introduction
I David Hill is a notable inventor based in Milwaukee, WI (US), recognized for his innovative contributions to footwear technology. He holds a patent for a unique waterproof shoe construction that enhances comfort and functionality.
Latest Patents
I David Hill's most significant patent is for a waterproof shoe construction and its method of manufacture. This invention features a liner that is impervious to liquid water but allows water vapor to pass through. The design includes a first innersole and a second innersole with a rib, along with a film that is also impervious to liquid water but pervious to water vapor, cemented between the innersoles. A horizontal stitch connects the shoe side panels and the rib of the second innersole, all within a channel-shaped welt top. The bottom of the welt is cemented to the top of an outersole. The manufacturing method combines stitch down and cement construction techniques, resulting in a comfortable, waterproof shoe at a lower cost.
Career Highlights
Throughout his career, I David Hill has worked with various companies, including Starensier, Inc. and Enka America Inc. His experience in these organizations has contributed to his expertise in footwear design and manufacturing.
Collaborations
I David Hill has collaborated with John J Mulcahy, enhancing his work and expanding his innovative ideas in the field of shoe technology.
Conclusion
I David Hill's contributions to waterproof shoe technology demonstrate his commitment to innovation and practicality in footwear design. His patent reflects a significant advancement in creating comfortable and functional shoes.