Location History:
- Bay City, MI (US) (1976 - 1978)
- Midland, MI (US) (1989 - 2003)
Company Filing History:
34 out of 7,680 
1 out of 39 
1 out of 7,865 
Years Active: 1976-2003
Title: **Innovations of Walter J Schrenk in Birefringent Interference Polarization**
Introduction
Walter J Schrenk, based in Midland, MI, has made significant contributions to the field of optics, holding an impressive total of 36 patents throughout his career. His pioneering work demonstrates a deep understanding of materials and their interactions with light, particularly through innovations in birefringent interference polarizers.
Latest Patents
One of Schrenk's latest patents describes a birefringent interference polarizer that can be produced using readily available materials and established coextrusion techniques. This polarizer is notable for its minimal light absorption, allowing for the polarization and reflection of specific wavelengths while transmitting others. The design incorporates multiple alternating layers of two polymeric materials, which possess different stress optical coefficients. This difference creates a refractive index mismatch in multiple planes, with a recommended mismatch of at least 0.03 in the primary plane, boosting the effectiveness of light manipulation.
Career Highlights
Throughout his professional journey, Walter J Schrenk has worked for prominent organizations such as The Dow Chemical Company and 3M Innovative Properties. His tenure at these companies provided him with invaluable experience and resources to further his innovative endeavors. Schrenk's contributions have played a crucial role in advancing optical technologies.
Collaborations
Walter has collaborated with esteemed colleagues, including John Allen Wheatley and Ralph E Ayres. These collaborations have enriched his work, bringing together diverse expertise and insights that have further propelled advancements in the field of optical engineering.
Conclusion
Walter J Schrenk continues to be a beacon of innovation in optical technologies. His extensive array of patents showcases not only his creativity and expertise but also his commitment to advancing the science of light manipulation. As industries and research institutions seek to improve their optical systems, Schrenk's inventions will undoubtedly remain influential in shaping the future of technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.