Michael J Petrich

Title: Michael J Petrich: Innovator in Retroreflective Technology

Introduction

Michael J Petrich is a notable inventor based in Lake Elmo, MN (US). He holds 3 patents that showcase his contributions to the field of retroreflective technology and imaging processes. His innovative work has significantly impacted various industries, particularly in the development of graphic overlays and electrostatic imaging.

Latest Patents

One of his latest patents is focused on a protective overlay bearing a graphic and retroreflective articles comprising the overlay. This invention includes a transfer article that can feature an overlay, as well as a retroreflective article that consists of an optical layer and an overlay. The optical layer is designed with a front surface and a rear surface, incorporating retroreflective optical elements. The overlay is engineered to couple with the front surface of a substrate, such as the optical layer, and includes a graphic that is embedded within the overlay. The method of creating the retroreflective article involves applying a graphic to the rear surface of the overlay and then coupling it to the substrate.

Another significant patent developed by Petrich is related to a toner-based electrostatic imaging process for outdoor signs. This electrographic imaging process tones electrostatic images in sequence to create a multicolor intermediate image on a temporary dielectric receptor. The intermediate image is subsequently transferred to a permanent receptor. Key properties of the toner and the intermediate image, such as surface energy and work of adhesion, are crucial for producing high-quality final images.

Career Highlights

Throughout his career, Michael J Petrich has worked with prominent companies, including Minnesota Mining and Manufacturing Company and 3M Innovative Properties Company. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in imaging and retroreflective technologies.

Collaborations

Petrich has collaborated with notable coworkers, including Paul J Wang and Hsin-hsin Chou. Their combined expertise has fostered an environment of innovation and creativity, leading to the development of advanced technologies.

Conclusion

Michael J Petrich's contributions to retroreflective technology and imaging processes highlight his role as a significant inventor in his field. His patents reflect a commitment to innovation and excellence, making a lasting impact on the industry.