Company Filing History:
Years Active: 2003-2005
Title: R Ellen Harelstad: Innovator in Printable Forms and Thioxanthone Dyes
Introduction
R Ellen Harelstad is a notable inventor based in Woodbury, MN (US). He has made significant contributions to the field of innovations, particularly in the development of printable forms and articles containing thioxanthone dyes. With a total of 3 patents to his name, Harelstad continues to push the boundaries of technology and design.
Latest Patents
Harelstad's latest patents include a method of making printable forms comprising stickers and articles. This invention discloses form constructions and methods of making form constructions that include a substrate with a printable surface portion and a sticker. In a preferred embodiment, the sticker is a face adhering validation sticker, and the form substrate features a cutout with the viewing surface of the sticker releasably attached to the perimeter of the cutout and exposed through the cutout. Another significant patent involves articles containing thioxanthone dyes. This patent describes articles, laminates, sheets, coatings, retroreflective articles, and pigments that contain thioxanthone compounds, which serve as fluorescent colorants.
Career Highlights
Harelstad is associated with 3M Innovative Properties Company, where he has been instrumental in advancing various innovative projects. His work has not only contributed to the company's portfolio but has also enhanced the functionality and aesthetic appeal of products in the market.
Collaborations
Harelstad has collaborated with notable coworkers, including David M Burns and Lee A Pavelka. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking inventions.
Conclusion
R Ellen Harelstad is a distinguished inventor whose work in printable forms and thioxanthone dyes has made a significant impact in his field. His contributions continue to inspire innovation and creativity in the industry.