Company Filing History:
14 out of 27 
1 out of 6 
1 out of 2 Years Active: 2013-2025
Title: The Innovative Mind of John S. Kroll
Introduction
John S. Kroll, an accomplished inventor based in Blaine, MN, has made significant contributions to the field of materials science. With an impressive portfolio of 15 patents, Kroll has demonstrated his expertise and creativity, particularly in the development of advanced composite materials and retroreflective technologies.
Latest Patents
Among his latest innovations is a patent for a polymer composite that comprises an interfacially modified fiber and particle. This composite material features a thermoplastic polymer phase containing 10 to 80 wt. %, along with a dispersed mixed particulate phase making up 20 to 90 wt. %. The unique properties of this composite result in a Young's modulus that exceeds 700 MPa, applicable in the creation of structural building components and additive manufacturing components. Another noteworthy patent is for a polymer-compatible retroreflective bead that enhances visibility in highway marking materials. These beads ensure high retroreflectivity, allowing drivers to clearly see road markings during nighttime and adverse weather conditions.
Career Highlights
Kroll's career has seen him contribute to companies such as Tundra Composites, LLC, where he honed his skills in developing innovative materials. His work has consistently pushed the boundaries of polymer research, leading to practical solutions that enhance everyday products.
Collaborations
Throughout his career, Kroll has collaborated with talented individuals, including coworkers Kurt E. Heikkila and Rodney Kieth Williams. These partnerships have fostered an environment of creativity and innovation, resulting in numerous successful patent applications.
Conclusion
John S. Kroll stands out as a prominent inventor whose work in polymer composites and retroreflective materials significantly impacts various industries. With his extensive patent portfolio and collaborative spirit, Kroll continues to inspire future advancements in material science and engineering.