This inventor holds 4 USPTO granted patents. Top assignees: Chem-Crete Corporation, Chemcrete International, Other. Active years: 1978-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 2 
1 out of 2 
1 out of 834,659 Years Active: 1978-1989
Title: The Innovations of John B Leonard, Jr.
Introduction
John B Leonard, Jr. is a notable inventor based in Hillsborough, CA, with a significant contribution to the field of asphalt paving. He holds a total of four patents, showcasing his expertise and innovative spirit in developing advanced materials for road construction.
Latest Patents
Among his latest patents is a high-strength asphalt cement paving composition. This invention includes modified asphalt paving compositions that incorporate manganese chloride (MnCl.sub.2) dispersed throughout the asphalt cement. The paving composition formed from this material serves as a binder for aggregates used in paving roads and similar applications.
Career Highlights
Throughout his career, John has worked with Chem-Crete Corporation, where he applied his knowledge and skills to enhance paving materials. His work has significantly impacted the industry, leading to improved road construction techniques and materials.
Collaborations
John has collaborated with several professionals in his field, including Laurence Latta, Jr. and Philip T Selfridge. These partnerships have contributed to the development of innovative solutions in asphalt technology.
Conclusion
John B Leonard, Jr. exemplifies the spirit of innovation in the asphalt paving industry. His patents and career achievements reflect his dedication to improving road construction materials and techniques.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile