Company Filing History:
2 out of 137 
1 out of 34 
1 out of 4 Years Active: 2005-2008
Title: Frank Czerwinski: Innovator in Door Hardware Design
Introduction
Frank Czerwinski is a notable inventor based in Berlin, Connecticut, who has made significant contributions to the field of door hardware design. With a total of four patents to his name, he has demonstrated a commitment to innovation and functionality in his work.
Latest Patents
Among his latest patents are the Keypad Escutcheon and the Anti-Vandal Door Trim. These inventions reflect his focus on enhancing security and usability in door hardware, addressing common issues faced in both residential and commercial settings.
Career Highlights
Czerwinski has had a distinguished career, working with reputable companies such as Sargent Manufacturing Company and Corbin Russwin, Inc. His experience in these organizations has allowed him to refine his skills and contribute to the development of advanced door hardware solutions.
Collaborations
Throughout his career, Frank has collaborated with talented individuals, including Anthony Longo and James E. Robida. These partnerships have fostered a creative environment that has led to innovative solutions in the industry.
Conclusion
Frank Czerwinski's work in door hardware design showcases his dedication to innovation and problem-solving. His patents and career achievements highlight his impact on the industry and his commitment to enhancing security and functionality in everyday products.