Location History:
- Saint Paul, MN (US) (1991)
- Marine, WA (US) (1994)
- May Township, Washington County, MN (US) (1989 - 1997)
- Marine on the St. Croix, MN (US) (1998)
- May Twp., MN (US) (1999)
Company Filing History:
Years Active: 1989-1999
Title: Harlan L. Krinke: Innovator in Optical Technologies
Introduction
Harlan L. Krinke is a notable inventor based in May Township, Minnesota. He has made significant contributions to the field of optical technologies, holding a total of seven patents. His innovative work focuses on enhancing the functionality and efficiency of optical devices.
Latest Patents
Among his latest patents is a method for providing diffuse risers on a Fresnel lens die. This method involves depositing a diffusing layer on the optical facets and risers, followed by selectively removing the layer from the facets while keeping it intact on the risers. This innovative approach allows for improved optical performance. Another significant patent is for a mold designed to produce glittering cube-corner retroreflective sheeting. This mold features an array of cube-corner elements arranged to create a retroreflective sheeting that glitters when light hits it. The design includes intersecting grooves that enhance the optical properties of the resulting sheeting.
Career Highlights
Harlan L. Krinke has spent a considerable part of his career at Minnesota Mining and Manufacturing Company, commonly known as 3M. His work at this renowned company has allowed him to develop and patent groundbreaking technologies that have applications in various industries.
Collaborations
Throughout his career, Harlan has collaborated with talented individuals such as Timothy L. Hoopman and Dee Lynn Johnson. These collaborations have contributed to the advancement of his innovative projects and patents.
Conclusion
Harlan L. Krinke's contributions to optical technologies through his patents and work at 3M highlight his role as a significant inventor in the field. His innovative methods and designs continue to influence the industry and pave the way for future advancements.