Location History:
- Woodbury, MN (US) (2006)
- Saint Paul, MN (US) (2012)
Company Filing History:
Years Active: 2006-2012
Title: The Innovations of Stephen Richard Hartshorn
Introduction
Stephen Richard Hartshorn is an accomplished inventor based in Saint Paul, MN (US). He has made significant contributions to the field of polymer science and fastening technologies. With a total of 2 patents to his name, Hartshorn continues to push the boundaries of innovation.
Latest Patents
Hartshorn's latest patents include a "Functional polymer with a pendant color changing indicator." This invention discloses a functionalized polymer that comprises the reaction product of a polymer with one or more pendant reactive functional groups and a color changing indicator. The co-reactive functional group of the color changing indicator can react with the reactive functional group of the polymer to form a covalent bond. This allows the color changing indicator to remain pendant from the polymer while maintaining its ability to produce a visually discernible color change in response to an associated stimulus. Another notable patent is for "Curable mechanical fasteners." This invention comprises a fastening surface made of a curable material, which can be repeatedly attached and unattached to a complementary fastening surface. When cured, the curable mechanical fastener becomes permanently attached to the complementary fastening surface, enhancing its utility in various applications.
Career Highlights
Stephen Richard Hartshorn is currently associated with 3M Innovative Properties Company, where he applies his expertise in developing innovative materials and technologies. His work has significantly impacted the industry, particularly in the areas of functional polymers and fastening solutions.
Collaborations
Hartshorn has collaborated with notable colleagues, including Clayton Allen George and Paul D Driscoll. These partnerships have fostered a creative environment that encourages the development of groundbreaking inventions.
Conclusion
Stephen Richard Hartshorn exemplifies the spirit of innovation through his patents and contributions to polymer science and fastening technologies. His work continues to inspire advancements in these fields.