Location History:
- Warren, MI (US) (2001)
- West Bloomfield, MI (US) (1995 - 2009)
Company Filing History:
26 out of 39 
3 out of 3 
2 out of 3 Years Active: 1995-2009
Title: Barry Rosenbaum: Innovator in Writing Technology
Introduction
Barry Rosenbaum, based in West Bloomfield, MI, has made significant contributions to the world of writing instruments through his innovative patents. With a total of 31 patents to his name, he has focused on developing technologies that enhance the functionality and convenience of writing tools.
Latest Patents
One of his latest inventions is an erasable ink composition specifically designed for writing instruments that mimic the appearance of graphite pencils. This innovative ink combines a unique solvent system, rubber, and pigment, allowing the ink to flow smoothly in writing implements. The solvent system includes components such as organic esters and optionally substituted cycloalkanes, ensuring versatility in application. The composition is further enhanced by incorporating pigments, which include graphite and carbon black, as well as optional additives like plasticizers and flow-enhancing compounds. Another notable invention is the development of a writing instrument stand, aimed at improving the usability of these writing instruments.
Career Highlights
Throughout his career, Barry has worked with notable companies in the watch and writing industries. He has been associated with Advanced Watch Company, as well as Advance Watch Company, Ltd. His diverse experiences in these organizations have significantly influenced his inventive approach and expertise in creating practical solutions in writing technologies.
Collaborations
Barry's collaborative efforts with industry professionals have also played a crucial role in his innovation journey. He has worked alongside coworkers such as Frances Fesuk and Victor Ptak, contributing to an environment of creativity and shared knowledge, which ultimately leads to the development of groundbreaking patents.
Conclusion
Barry Rosenbaum stands out as a prolific inventor whose work has advanced the functionality of writing instruments. With multiple patents focusing on erasable inks and practical writing solutions, he continues to inspire innovation within the field. His contributions not only benefit users but also set a high standard for future inventions in writing 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.