This inventor holds 10 USPTO granted patents and 1 published patent application. Top assignees: Dennison Manufacturing Company, Avery Dennison Corporation. Active years: 1982-1996.
Company Filing History:
8 out of 237 
2 out of 1,458 
Years Active: 1982-1996
Title: Ralph J. Shuman: Innovator in Marking and Adhesive Technologies
Introduction
Ralph J. Shuman is a notable inventor based in Needham, MA, with a remarkable portfolio of 10 patents. His work primarily focuses on innovative marking and adhesive compositions that have practical applications in various industries.
Latest Patents
Among his latest inventions is a solid erasable marking composition. This composition is designed to be erasable from both porous and non-porous substrates. It consists of an emulsion that transforms upon contact with a marking surface, allowing for easy removal. Another significant patent is an adhesive composition that changes from colored to colorless upon application. This unique feature is achieved through a gel-forming base and a colored indicator, making it highly functional for various applications.
Career Highlights
Ralph has had a distinguished career, working with prominent companies such as Dennison Manufacturing Company and Avery Dennison Corporation. His contributions to these organizations have significantly advanced the field of marking and adhesive technologies.
Collaborations
Throughout his career, Ralph has collaborated with talented individuals, including Barbara J. Burns and Warren R. Pitts. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Ralph J. Shuman's contributions to the fields of marking and adhesive technologies are noteworthy. His innovative patents and collaborations reflect his commitment to advancing these industries.